Curated List of SEO and Data tools

Welcome to the directory of SEO and data tools. This collection contains over 700 items: advanced software, cloud solutions, small utilities, browsers, and browser plugins. This list is focused on SEO, data, cellular automata, or fractals. Every tool has its category like performance, crawler, monitoring, alerting, or data visualization.

Use the options to sort and order by name or category. The best is to use the Search field. Input any keyword to get only tools from the desired category. For example, try typing words like security, performance, or crawler.

This list is regularly maintained and expanded. If you find any mistake or you are missing some vital entry, please scroll to the bottom of this page and leave a message via the contact form.

Some of the tools are marked with an icon in column Top. This icon means it's a mature, premium, and advanced software suitable for professional usage. Dead and discontinued items are striped of hyperlink and moved to the end of the list. Last but not least, poorly executed, unsafe, or not very useful tools receive nofollow attribute, warning mark and are also pushed to the end of the list. It's a decision of the database author. Everything is explained at the FAQ section below the table.

Public Directory


Name & LinkCategoryDescriptionTech
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3D Totalistic Cellular Automatacellular automata | wolframTotalistic 3D cellular automata starting from a single cube. At each step, a cube is filled in if the total number of cubes around it matches values specified by the rule number.
AB Tasty Statistical Significance Calculatorab test | calculatorPre-test sample size calculation. Calculate how long your test should run, and the sample size needed to maintain its accuracy.
AB Testguideab test | calculatorPre-test calculation and post-test evaluation. Calculate statistical significance and the power of your A/B test.
AB+ Test Calculator by CXLab test | calculatorA/B test calculator to answer all your pre and post test analysis questions.
Accessibility Insights for Webaccessibility | testingHelps to solve accessibility issues before they can influence your customers.
AccuRankerrank trackerRank tracking for agencies and SEO professionals.
Accuranker Google Grumpsearch algorithm | serp fluctuations | report | ranking | updateGoogle algorithm update tracking tool. Developed by accuranker.com. Helps to determine search ranking algorithm updates.
Adbeatcompetitive intelligenceA competitive intelligence for display advertisers. It provides insights into the world of digital advertising.
Adform STT TTEchrome extensionAn Adform tracking testing extension, which helps to check what kind of tracking point is firing on the page.
Adobe Marketing Cloudmarketing suite | adobe analyticsEnd-to-end digital marketing with several integrated solutions.
Adswerve - dataLayer Inspector+chrome extensionExtension for digital analysts. Adswerve dataLayer Inspector+ is a tool kit of utilities for Google Analytics and Google Tag Manager.
Advanced Web Rankingseo suite | rank tracking | reportingProvides fresh daily, weekly or on demand geo-located rankings. Designed and scaled for agencies and in-house SEOs.
Advanced Web Rankings Google Algorithm Changessearch algorithm | serp fluctuations | report | ranking | updateShows the average fluctuations, volatility, in the Google search results, correlated with recent algorithm updates. Developed by advancedwebranking.com. Helps to determine search ranking algorithm updates.
AdWords Keyword Wrapping Toolkeywords | adwords | utilityExact, phrase, and broad match modified keyword wrapper. A utility that helps PPC specialists with wrapping keywords.
AgencyAnalyticsanalytics | reportingAll-in-one reporting platform for agencies with SEO, PPC, social, email, review and call dashboards.
Agentyscraping | ocr | sentiment analysisCloud agents for data scraping, text extraction, OCR, categorization, change detection or sentiment analysis.
Agenty - Advanced Web Scraperchrome extension | scrapingWeb scraping extension for screen scraping using CSS selectors and to create web scraping agent for Agenty.com.
Ahrefsseo suite | rank tracking | link index | monitoringWebsite audits, competitors analysis, keywords, and backlinks research. All in one place.
Ahrefs SEO Toolbarchrome extension | toolbarOn-page SEO data, broken link checker, and important SEO metrics right in your web browser by Ahrefs.com.
Airtabledata managementWorks like a spreadsheet but gives you the advantages of a database. Suitable for organizing work.
Albacrosspersonalization | leadsReal-time business data. API for website personalization and lead generation.
Alexacompetitive intelligence | amazonMarketing stack for SEO and PPC. Keyword research, competitive intelligence, SEO analysis, and backlink checker in one.
Algoliasite search | apiSite search for companies of all sizes. Helps to create relevant, scalable, and fast search experience.
Algoroosearch algorithm | serp fluctuations | reportA Google algorithm tracking tool. Developed by dejanmarketing.com.
Amazon Web Services (AWS)cloud computing | amazon | awsReliable, scalable, and inexpensive cloud computing services.
AMP Visual Compareamp | utility | comparisonUtility for render and visual comparison of an AMP page and its canonical version.
Amplitudeproduct intelligenceHelps to use customer data to build great product experiences for better conversion rate and user retention.
AngularJSjavascript | js | framework | angular | googleTypeScript-based open-source web application framework developed by Google.
AnswerThePublicuser research | keyword researchVisual keyword research and content ideas tool. Find out what questions and queries are users searching for in Google.
AnyChartjavascript | js | framework | chart | data visualizationA set of flexible JavaScript (HTML5) libraries for data visualization.
Apache Logs Vieweraccess logsA free tool which lets you monitor, view and analyze access logs.
Apache Spark GraphXgraph computation | apiAPI for graphs and graph-parallel computation, with a built-in library of common algorithms.
Apiarydevelopment | apiAPI-First platform designed specifically to help companies accelerate and control the design, development, and documentation of APIs.
Apifyweb scrapingWeb scraping,
data extraction, and robotic process automation. Formerly known as Apifier at https://apifier.com/.
ApophysisfractalAn application for creating, editing and rendering fractal flames.
archive.todayweb mirror | web archiveA time capsule for web pages. Allows you to create a copy of a webpage. Also available at archive.is, archive.fo, and archive.today.
Audisto Crawlerseo crawlerCrawling tool for onpage, content and structural analysis.
Authoritas seo suiteSoftware that helps to grow organic traffic. Keyword research, competitive intelligence, SEO reporting, content optimization, and more.
AuthorityLabsrank tracking | monitoringA software for search engine ranking and keyword data monitoring.
Awariobrand monitoring | mention monitoringBrand monitoring tool to track mentions of your brand and competitors. Helps to find influencers and new leads.
AWStatsaccess logs | data | visualizationPerl-based tool that generates statistics and visualizations from web, streaming, ftp or mail servers. Can analyze log files from all major server tools.
AX Semanticscontent writingAutomates repetitive writing and makes text creation scalable. Configure rules and linguistic elements to create unique texts.
axeaccessibility | testing | monitoringAccessibility testing toolkit by Deque Labs for development teams to test their web or Android applications.
axe - Web Accessibility Testingchrome extension | accessibilityAccessibility checker by Deque Labs for developers for WCAG 2 and Section 508.
Axe Developer Toolsfirefox add-on | accessibilityAutomated tool by Deque Labs for developers to find accessibility defects.
BatchSpeedperformance | testBulk speed test for multiple URLs. It uses Google's Page Speed API. You can input list of addresses or a sitemap to test multiple URLs at once.
Beautiful Souppython | scraping | libraryA Python library for scraping HTML and XML documents.
Big Metricswebmaster tools | search console | gsc | gwt | reportingDownloads all Google Search Console data from API and provides better insights into SEO.
Bing Visual Searchreverse image search | bingImage search from search engine Bing with an option to perform a reverse image search.
Bing Webmaster Toolswebmaster toolsA webmaster tool by Yandex with control panel, diagnostial and monitoring tools, and other data and information about your website.
Boomerang for GmailoutreachAn extension for Gmail for email scheduling, reminders, and follow ups. Helps with outreach campaigns.
Botifyseo crawler | log analysisAn enterprise SEO platform for scalable crawling and log analysis.
Brand24brand mention | media monitoring | ormTool for online reputation management that helps with monitoring brand mentions, media monitoring, and tracking competition.
BrandMentionsmention monitoring | ormFind mentions about anyone or anything. Useful for brand and media monitoring, competitive intelligence, and online reputation management.
Brave Browserbrowser | chromium
BrightEdgeSEO suite
BrightLocallocality testingView search results from any location.
Browsershotsbrowser testing
BrowserStackbrowser testing
BuiltWithcms | technology | detection
BuiltWith Technology Profilerchrome extension
BuzzStreamsocial analytics
BuzzSumocontent
Byte Checkperformance
CAA Record Generatorsecurity
CAA Record Helpersecurity
calculatePixelWidthutility
CallTrackingMetricscall center
CanIRankseo suite | aiSEO software using AI to give you specific action recommendations rather than just data.
CatBoostdecision, tree, open source, library
Chaos Data Analyzerchaos theory
Chaos Monkeytesting | github | netflixTool developed by Netflix for randomly terminating instances in production to ensure that engineers implement their services to be resilient to instance failures.
Chaoticafractal
Check My Linkschrome extensionA link checker that crawls through your webpage and looks for broken links.
CheckMyColourscolors
Chracter Counter by LINK-BRAINcounting | utilityAn original LINK-BRAIN tool for counting all characters, words and rows in any text.
Chrome Canarybrowser | chromium
Chrome DevToolsdevtools
Chrome User Experience Report (CrUX)ux | reportReal user measurement of key user experience metrics across the public web. Uses PageSpeed Insights and Google BigQuery.
Cloudflarecdn | web infrastructureA content delivery network that uses next-gen tech and offers CDN, DNS, DDoS protection and security.
Cmapdiagrams
cognitiveSEOseo suiteA complete digital marketing solution and SEO tool. On-page and off-page SEO, rank tracking, keyword research, or backlink analysis.
cognitiveSEO SIGNALSsearch algorithm | serp fluctuations | report | ranking | updateA tool for tracking Google algorithm updates. Developed by cognitiveseo.com. Helps to determine search ranking algorithm updates.
Collabimseo suite | keyword tracking | link monitoring
Color Contrast Analyzerchrome extension | accessibilityAnalyze a web page or portion of a web page for conformance with WCAG 2.0 Color Contrast requirements.
ConsoleRocketwebmaster tools
ContentKingcrawler | seo
Copyscape Plagiarism Checkerplagiarism
CoSchedule Headline Analyzerutility
CrawlMonstercrawler | seo
Cross Browser Testing Toolbrowser testing
crt.sh Certificate Searchsecurity
CSVedcsv editor
Cyfeanalytics
Cytoscapenetwork visualization
D3.jsdata visualization | javascript | libraryJavaScript library for manipulating documents based on data.
Data USApublic data | visualizationU.S. data to explore, map, and download. Open platform that turns data into knowledge.
Databoxdata platform
DataDeckdata, connector
Datalayer Checkerchrome extension
DataparkSearch Enginesearch engine | frameworkFull-featured open source web-based search engine. Useful for websites and intranets. Released under the GNU License.
dataslayerchrome extension
DDLabcellular automataDiscrete Dynamics Lab
Deep Spreadsheets with ExcelNetexcel | deep learning
DeepCrawlcrawler | seo
Delaunatorjs library | githubJavaScript library for Delaunay triangulation of 2D points.
Detailed SEO Extensionchrome extension | seoSEO insights at the click of a button to any website you're currently on.
Diffbotdata mining | knowledge graph
DigitalOceancloud computing
DIGMATO - Digital Marketing Toolsgoogle analytics | url checker
Disable Content-Security-Policychrome extension
disavow.itutility | webmaster tools | gsc | gwtHelp you to quickly compile/clean a Disavow file, ready to upload to Google Search Console.
Distill.iomonitoring
DNS Spy: CAA record validatorsecurity
Draw.iodiagrams
DrumUpsocial media
DYNO Mapperinformation architecture
Edge by Ascentialdata
EditThisCookiechrome extension
Elasticsearchelastic | access logs | ELK | Elastic stack | Logstash | Kibana | ELK Stack | Beats | X-Pack
EmEditortext editor
Event Tracking Trackerchrome extension
Exploding Topicskeyword research | trends
Expressjavascript | js | framework | nodejsA minimalist web framework for Node.js.
Facebook Certificate Transparency Monitoringsecurity
Facebook Open Graph Object Debuggeropen graph
Facebook Open Sourcedev | machine learning | frameworks | react | pytorch | hermes
Facebook Pixel Helperchrome extension
Facebook Sharing Debuggeropen graph
FAE: Functional Accessibility Evaluatoraccessibility
FBT - An internationalization frameworkinternationalization framework | facebook | javascript
Firefoxbrowser | chromium
Five Second Testuser testing
Focus Indicatorchrome extension | accessibilityDisplay focus indicator for the active intractable element in a webpage.
Followerwonksocial analytics
Fractal Fr0stfractal
Fractal Growerfractal
Fractal Microscopefractal
Fractal Terrain Generatorfractal
Fresh URLurl | utm | libraryAutomatically removes UTM parameters from URLs.
FullStorycustomer journey
Fyrefractal
GAN Labmachine learning
Gephinetwork visualisation
GEXF.jsnetwork visualisation
GMassoutreach
Gnutella crawlercrawler
Gollycellular automataGolly Game of Life
GoodDatadata analytics
GoodUI Patternsui, patterns
Google Adsads | googleAn online advertising platform. A part of Google Marketing Platform.
Google Ads Keyword Plannerkeyword research
Google Alertsmention monitoring | omr
Google Analyticsweb analytics | googleA web analytics service that tracks and reports website traffic. A part of Google Marketing Platform.
Google Analytics Account Explorerutility
Google Analytics Campaign URL Builderutility
Google Analytics Debuggerchrome extension
Google Analytics Debuggerchrome extension
Google Analytics Dimensions & Metrics Explorerutility
Google Analytics Hit Builderutility
Google Analytics Query Explorerutility
Google Analytics Request Composerutility
Google Analytics URL Builderchrome extension
Google BigQuerydata warehouse | cloudServerless, highly scalable, and cost-effective cloud data warehouse.
Google Chartsjs chart framework
Google Chromebrowser | chromium
Google Cloud Platformcloud computing
Google Consumer Barometermarket
Google Custom Searchsite search | googleAdd a Google powered search box to your site.
Google Data Studiodata | visualisation | reporting | googleData visualization and reporting platform. A part of Google Marketing Platform.
Google Dataset Searchopen data
Google Imagesreverse image search
Google Mobile-Friendly Testmobile-friendly | testing | googleTest if a visitor can use your page on a mobile device, and check how Googlebot renders your page.
Google My Businessbusiness listingA free business profile and listing visible in Google Search and Google Maps.
Google Newsnews
Google News topic url decodergoogle | news | url decoder | utilityTool extracts the entity-id from a Google News topic-url.
Google Optimizechrome extension | ab testing | googleHelps you test and personalize your site with Google Optimize.
Google Optimizechrome extension | ab testing | googlePlatform for AB testing and personalization. A part of Google Marketing Platform.
Google Organic Traffic Estimatororganic, traffic
Google Public Dataopen data
Google Publisher Centergoogle, publisher, news
Google Publisher Toolbarchrome extension
Google Rich Results Teststructured data | testing | google | utility | rich resultsTest your web page to see which rich results can be generated by the structured data it contains.
Google Search Consolewebmaster tools, google
Google Search Console – Quick Insights [Google Sheet]webmaster tools | sheetHelps you search and discover your Google Search Console data to find insights.
Google Tag Managertag management
Google Transparency Report - Safe Browsing: Malware and Phishingsecurity
Google Trendstrends
Google Web Designerweb design
Google Webmaster Tools Bulk Url Removalwebmaster tools
google-indexing-api-bulkgoogle indexing | api | script | node.js
Gorkanasentiment analysis
Grafanamonitoring | grafana
Graphcoregraph | computing | machine learningIPU cloud service available on Microsoft Azure. Let innovators to create new breakthroughs in machine intelligence.
Graphistrygraph analyticsA graph-based analysis that helps finding hidden connections and context across all your data.
Graphviznetwork visualisation
Greasemonkeyfirefox add-on
GroupHighoutreachContent marketing tool that allows you to quickly find any blogger’s contact information.
GTM Copy Pastechrome extension
GTmetrixperformace | testingA website performance test. Check how your site performs, reveal slow components and discover opportunities for optimization.
Guess.jsjavascript | js | library | machine learningLibraries and tools for enabling machine learning driven user-experiences on the web.
Guest Post Trackerguest blogging
HARO (Help A Reporter)news
headingsMapchrome extension | accessibilityExtension to show and audit the headings structure.
Heapbehavioral data
Hemingway Editorcontent writing
Heritrixcrawler, web archiving
Herokucloud platform
Hextraktcrawler | seo
Hotjarheatmaps
Hreflang Tags Generator Tool by Aleyda Solishreflang
HSTS Preload List Submissionsecurity
.htaccess Generatorhtaccess
htaccess Testerhtaccess
HTML Color Codescolors
HTTP Graph Collectornetwork analysis | gephihttps://github.com/phreakocious/gephi-plugins/blob/master/modules/HttpGraph/README.md
httpstatus.iostatus code | response
HTTrack Website Copierweb mirror | web archiveConfigurable tool that allows you to download (mirror) a website to a local directory. It can get HTML, images, scripts, styles, and other files.
HubSpot Marketing Hubsuite
Hunteroutreach | emailLets you find email addresses and connect with the people that matter for your business.
I Search From
IAWM Extractor by LINK-BRAINweb archive | utility | data miningAn original LINK-BRAIN tool for mining historical URLs data from the Internet Archive Wayback Machine.
IBM Digital Analyticsweb analytics | coremetrics
IBM Watsonai
IDI Web Accessibility Checkeraccessibility
igraphnetwork analysis | r
IMA.jsjavascript | js | framework | githubAn application development stack for developing isomorphic applications written in pure JavaScript and React. Made by Seznam.cz.
Image super-resolutionimage optimisation
Impactanalink research
Import.ioscraping
IncandescentAPIreverse image search, api
Insert Textchrome extensionInserts text from templates into any text field.
Insomnia REST ClientAPI debugging
Integritylink checker
Internet Archive Wayback Machineweb archive
InversifyJSjavascript | control container | node.js | typescript
Iodideαdata science
iSpionagecompetitive intelligence
Javascript Obfuscatorjavascript
JAWS (Job Access With Speech)accessibility | screan readerSscreen reader, developed for computer users whose vision loss prevents them from seeing screen content or navigating with a mouse.
JetBrains Toolboxdevelopment | suite15+ tools to help developers work effectively with different languages and technologies. Python IDE (PyCharm), PHP IDE (PhpStorm), Go IDE (GoLand), and many more.
JetOctopuscrawler | seo | access logs
JournoRequestsnews
JSFiddlecode | storage | playground | testingOnline editor for testing and storing JavaScript, CSS, HTML or CoffeeScript.
JSON Parserparser | keboola | jsonJSON Parser can process files, that contain a single JSON structure or a line delimited set of JSON structures.
JSON to GDFutility
JSON-LD Schema Generator For SEOstructured data
JSON-LD Schema Generators for SEOsschema | rich resultsHelps to generate any new Google approved schema markup for websites to have rich results in SERP.
Juicy Studio Readability Testreadability
Jumpshotcompetitive intelligence
Jupyterdevelopment
JustReachOutoutreach | newsPR software and guidance to get the exposure to grow your business.
JxBrowserbrowser componets | chromiumIntegrate a Chromium-based browser with your Java app to process and display HTML5, CSS3, JavaScript, Flash etc.
Kalicubebranding | serp | monitoringHelps to leverage your brand in SERP.
Kalles Fraktaler 2fractal
Kantarcompetitive intelligenceSearch marketing intelligence providing insight into your competitors and performance. Formerly known as AdGooroo.
Kantar Mediasocial media & ads
Karma Decay - Reverse image search of Reddit.comreverse image search | reddit
Kebooladata processing
Keraspython, deep learning, library
Kerboolink analysis
KeyLines Network Visualizationgraph visualisationkeylines.com
Keyword Eyekeyword research
Keyword Herokeyword research
Keyword Kegkeyword research
Keyword Toolkeyword research
Keywords Everywherekeyword researchBrowser plugin for Chrome or Firefox. Shows you monthly search volume, cost per click and competition data of keywords on multiple websites.
Keywords Toasterkeywords
KeywordSpykeyword research
KNIMEdata science
Knowledge Graph Searchknowledge graph | entitySearch Google Knowledge Graph database for a person, company, product, place, or other entity.
Kraken Image Optimizerimage optimisation
Landmark Navigation via Keyboard or Pop-upchrome extension | accessibilityAllows you to navigate a web page via WAI-ARIA landmarks, using the keyboard or a pop-up menu.

lc-reconcile
openrefine | github | reconciliationAn OpenRefine reconciliation service for the Library of Congress Subject Headings and the Library of Congress Name Authority File available via id.loc.gov.
Lighthouse at web.devperformace
Link Klipper - Extract all linkschrome extensionExtract all links on a webpage and export them to a file.
Link Prediction Toollinked data, predictive analytics, gephi
Link Prospectorlink research
Link Redirect Tracechrome extension
LinkCheckerlink checker
Linkclumpchrome extensionLets you open, copy or bookmark multiple links at the same time.
Linketica.compaid articles
LinkMinerchrome extensionChecks webpages for broken links, and pulls metrics on those links.
LinkMinerchrome extensionChecks webpages for broken links, and pulls metrics on those links.
LinkResearchToolslinks
Linkuriousgraph visualisation
Little Wardenseo monitoring
Load Impactperformace
Logz.ioaccess logs
Longtail UXlongtail | seoAI-powered platform to target, rank for, and drive revenue from longtail keywords.
LongTailProkeywords
Looka Logo Makerlogo
Loop11user testing
LOOPYdiagrams | development
lostcircles.comsocial | data visualizationVisualize the hidden structure of your social network. Developed by lostcircles.com.
Lucidchartdiagram
Luigi's Boxsite searchA set of tools and site search for e-commerce, that helps to increase sales and conversions.
LYNXweb browser
MagicTabledata mining
Mailshakeoutreach
Mailshakeoutreach
Mailtrackoutreach
Majesticbacklinks
Majestic Backlink Analyzerchrome extension
Mandelbulb 3D (MB3D)fractal, rendering
Mandelbulberfractal, image capture
Mangoolstools
Mangools KWFinderkeyword research
Mangools LinkMinerbacklinks
Mangools SERPCheckerserp
Mangools SERPWatchermonitoring
Mangools SiteProfilerweb research
Marketing Minerdata mining
Marvel Prototyping meets User Testinguser testing, prototypes
Material Design Color Toolcolors | design | material
Matomoweb analyticsFormerly known as Piwik.
Matrix Multiplicationcalculator
Mediatoolkitmedia monitoring, news
MegaIndexbacklinks
Mentionmention monitoring
Merge Wordskeywords
Merkle Fetch & Renderutility
Merkle Google Local Search Results Toolutility
Merkle Google SERP Simulator (Snippet Preview)utility
Merkle hreflang Tags Testing Toolutility
Merkle Locale-Adaptive Pages Testing Toolutility
Merkle Mobile-First Index Tool (Mobile vs. Desktop Test)mobile first | mfi | utilityTool compares mobile and desktop pages and reports on discrepencies between SEO signals, content and structured data markups. And checks if your page is mobile-friendly.
Merkle Mobile-Friendly Bulk Testing Toolutility
Merkle Pre-rendering Testing Toolutility
Merkle robots.txt Validator and Testing Toolutility | robots.txt
Merkle Schema Markup Generator (JSON-LD)utility
SEO Tools by Merkleutility
Merkle XML Sitemap Generator (for hreflang tags)utility
Metaflowpython, netflix, data science
Meteorjavascript | js | frameworkAn open source platform forbuilding JavaScrip applications for web, mobile, and desktop.
Microsoft Edgebrowser
Microsoft IIS Search Engine Optimization Toolkitseo suiteHelps Web developers, hosting providers, and Web server administrators to improve their Web site’s relevance in search results by recommending how to make the site content more search engine-friendly.
Mixmaxoutreach
Mixpaneluser behavior
MixRankdatabase
Moatanalytics
Monitor Backlinksmonitoring | backlinksA tool for checking backlinks for your website and the competititors.
Moz Link Explorerlink research
Moz Proseo suiteAll-in-one suite. Crawler and site auditor helping with link building, on-page optimization, automated reporting, and keyword research tool.
MozBarchrome extension | toolbarAll-in-one SEO toolbar for research on the go. Developed by Moz.com.
MozCastsearch algorithm | serp fluctuations | report | ranking | update | mozReport showing turbulence in the Google algorithm over the previous day. Developed by Moz.com. Helps to determine search ranking algorithm updates.
Mozendascraping
Mozilla Observatorysecurity
Mozilla SSL Configuration Generatorsecurity
MRISA - Meta Reverse Image Search APIreverse image searchA RESTful API which takes an image URL, does a reverse Google image search, and returns a JSON array with the search results.
Muck Racknews
Muffetlink checker
N.A.P. HUNTER!chrome extension
Neo4j Bloomgraph | visualizationGraph visualization, exploration and communication tool.
Neo4j Graph Platformnetwork analysis
NerdyDatacompetitive intelligence
Netpeak Checkerseo analysisResearch tool for bulk SEO analysis and websites comparison.
Netpeak Spiderseo crawler | scrapingSEO crawler for website auditing, finding broken links and images, checking for duplicate content, and scraping.
Network Crusadersite management
Network Data Repositorygraph analysis
NetworkXnetwork visualisationA Python package for the creation, manipulation, and study of the structure, dynamics, and functions of complex networks.
Newsmapnews
Next.jsjavascript | js | framework | reactScalable and production grade React applications. Used to build static and dynamic websites and web applications.
javascript, automation, library
NinjaOutreachoutreach
nlp-datasetspublic data | nlpAlphabetical list of free/public domain datasets with text data for use in Natural Language Processing (NLP).
NodeXLgraph analysis
NoFollowchrome extension
NoFollowchrome extensionOutline nofollow links, detect nofollow and noindex meta tags on webpages.
Norbertemail prospectingFind contact information for your lead research or human resources acquisition.
Norconex Collectorscrawler
Notepad++source code editorA free source code editor that supports several languages. Distributed under GPL License.
NVDA (NonVisual Desktop Access)accessibility | screan reader | githubOpen source screen reader. Also available at https://github.com/nvaccess/nvda.
Octopus.dositemaps
Octopussyaccess logs
Oktopostsocial media
Omegasearch engineA packaged search engine build with the Xapian open source search engine library.
OmniGrafflediagrams
OnCrawlcrawler, seo, access logs
Online Character Count Toolutility | character | countFree online character and word counting tool.
ontololink research
Open Refine Exhibitopenrefine | github
OpenLinkProfilerlink research
OpenProcessingcoding, experimental
OpenRefineopenrefine | googleAn open-source tool for working with messy data. Used for cleaning, transforming, or extending data with web services and external sources. Formerly known as Google Refine.
OpenRefine batch processingopenrefine | github
OpenRefine Wikidata reconciliation serviceopenrefine
Optimal Workshopuser research
Optimal Workshopuser research | ux | testing | information architectureA research platform. Remote card sorting, tree testing, first-click testing, and more. Formerly known and found at websort.net.
OptimalSortinformation architecture
ab testing
Orange Data Miningdata mining | machine learningOpen source machine learning and data visualization. Interactive data analysis workflows.
Oxylabsproxy
p5.jsjavascript, library, p5.js
p5.js Web Editorjavascript, library, p5.js
Pactapi | testingTesting for your APIs and microservices during development.
PageOptimizer ProseoOn-page SEO tool for content publishers. Helps with better ranking.
PagerDutyintegrations
PageSpeed Insightsperformace
Pajeklarge networks visualizationanalysis and visualization of large networks, http://vlado.fmf.uni-lj.si/pub/networks/pajek/doc/pajekman.pdf
Pale MoonOpen Source, Goanna-based web browser. Focusing on efficiency and customization.
Palettoncolors
Parasolgraph visualisation
Pastebin.comcode | text | storageOnline code and text storage.
PEG.js - Parser Generator for JavaScriptparser | javascript
javascript | headlessPhantomJS is a headless web browser scriptable with JavaScript. It runs on Windows, macOS, Linux, and FreeBSD.
Pingdom Website Speed Testperformace
Pitchboxoutreach
PixelMeretargeting
PlantUMLgraph visualisation
Polymer Projectjavascript | js | library | googleAn open-source JavaScript library for building web applications using Web Components.
Power BIdata | analytics
Prerender.iojavascript | prerenderingPrerendering tool. Allows JavaScript websites to be crawled by search engines.
Pro Rank Trackerrank tracking
Project NayukiscriptsComputer science and mathematic scripts for practical applications.
Prometheusmonitoring | open sourceOpen-source monitoring solution. Comes with dimensional data model, query language, time series database, and alerting.
ProtonVPNvpn
Proxy SwitchyOmegachrome extension | proxyManage and switch between multiple proxies quickly & easily.
Puppeteerheadless | chrome | chromium | nodeA Node library with API to control headless Chrome or Chromium. More info can be found here: https://developers.google.com/web/tools/puppeteer/.
PushPushGopush notifications, automation
PyTorchpython | framework
Qualys SSL Server Testsecurity
QuickCodedata analysis
Quoralinkbuilding
Radware Bot Manager Solutionbot traffic control
Rank Mathwordpress pluginA Wordpress SEO plugin that helps to optimize content for search engines.
Rank Ranger Site Explorercompetitive intelligence | utilityCompetitor research tool which gives you information about websites. For which keywords and landing pages it is ranking.
RankActivesuite
Rankinityrank tracking
RankRanger Rank Risk Indexsearch algorithm | serp fluctuations | report | ranking | updateMeasures Google SERP fluctuations for several thousands domains and keywords. Developed by rankranger.com. Helps to determine search ranking algorithm updates.
RankTrackrrank tracking
RapidMinerdata science
Raven Toolssuite
RAWGraphsdata | visualizationAn open source data visualization framework. Makes the visual representation of complex data easier.
rdf:SynopsVizlinked data
Reactjavascript | js | framework | facebook | reactA JavaScript library for building user interfaces developed and maintained by Facebook.
Reconcile-csvopenrefine
Redirect Pathchrome extensionChecker of HTTP headers, status codes and redirects.
Regex101regex | testingAn online tool to create, debug, test and have your expressions explained for PHP, PCRE, Python, Golang and JavaScript.
RegexPal - Regex Testerutility | regex
RegExrregex | testingAn online tool to learn, build, and test regular expressions.
relgrowth Backlink Checkergoogle sheethttps://docs.google.com/spreadsheets/d/1IeOulUukSfepW0I24GyQrScaKo0fcoOc4JOD3Y2pgsE/copy?usp=sharing
Rendertronheadless | chrome | puppeteer | javascript | rendering | githubA Headless Chrome rendering solution build with Puppeteer. More info and code: https://github.com/GoogleChrome/rendertron.
Report URImonitoring

Reputology
review monitoring | omrReview monitoring and management platform that helps businesses monitor, respond to, and analyze their online reviews.
ResponseSourcenews

ReviewPush
review monitoring | omrOnline review management that collects all your online reviews in one place.
Rival IQsocial media analytics
Rize Reviewsreputation
RocketReachoutreach
Rytemonitoring
santiano.iotag management | gtm | framework
Scoop.itcontent research
Scrapeboxscraping
ScrapingHubcrawler | scraping | scrapyA cloud platform for running and managing web crawlers for data scraping based on Python framework Scrapy.
Scrapycrawler, python
Screaming Frog SEO Log File Analyseraccess logs
Screaming Frog SEO Spidercrawler | seo
SeaMonkeyweb browser | mozilla
Search Analytics for Sheetsanalytics | spredsheets | google
Search Analytics for Sheetsgoogle sheet add-onhttps://searchanalyticsforsheets.com
Search Console Explorer Sheet [Free Google Sheet]webmaster tools | sheetGoogle sheet designed to extract data from Google Search Console. Helps with exploration and evaluation of your data.
Search Monitorcompetitive intelligence
SearchManASO
Searchmetricsseo suite
Security Headers
security
Seleniumautomation | testing
Semor-
SEMrushsuite
SEMrush Sensorsearch algorithm | serp fluctuations | report | ranking | updateMeasures volatility in search results. It's tracking down several categories on mobile and desktop and highlighting possible Google updates. Developed by semrush.com. Helps to determine search ranking algorithm updates.
SEMSTRORMseo suiteAll-in-one search engine marketing platform for keyword research, website auditing, content management, or rank tracking.
Senchasencha, javascript, framework
SentiOnementions monitoring
SentrymonitoringSelf-hosted and cloud-based error monitoring that helps software teams discover errors in real-time.
Senutorank tracking
SEO Macroscopecrawler
SEO Minionchrome extension | firefox add-onHelps in daily tasks as on-page SEO analysis, broken link checking, SERP preview, redirect checker, hreflang checker, and more.
SEO Power Suite-
SEO Rank Monitorrank tracking
SEO SpyGlassbacklink
SEOJetlnikbuilding
SEOliumrank trackingGoogle rank tracker for SEO and market monitoring. Helps you to understand how to grow your business.
Seolyzer.ioseo | crawler | access logsCrawler and access logs analyzer.
SEOmonitormonitoring
SEOquakechrome extension | toolbar
SerpBookrank tracking
SERPedseo suite
SERPMetrics Search Engine Fluctuation Chartssearch algorithm | serp fluctuations | report | ranking | updateShow search engine volatility over the last day and month. Developed by serpmetrics.com. Helps to determine search ranking algorithm updates.
Serposcoperank tracking
SERPROBOTSERP Checker | google
SERPWoorank tracking | omgA tool for monitoring ranks and online reputation management.
Seznam Indexerseznam, indexing
Seznam Reportertrends
Seznam Search Statisticstrends
Seznam Webmasterwebmaster tools
sigma.jsnetwork visualisation
SimilarSiteSearchsearch engine | search
SimilarWebcompetitive intelligence
Simo Ahava GTM Toolsutility
SISTRIX Toolboxseo suiteTool used by SEO professionals. Visibility index, competition and opportunity analysis, and historical data for digital market specialists.
Site Safety Centersecurity
Sitebulb Website Crawlercrawler, seo
Sitecheckerseo suiteToolkit to measure and track SEO performance. On-page factors, backlinks checker, rank tracking, and more.
Sklikads
SmallSEOTools-
Smartlookuser behavior
Social Buzzmentions monitoring
SparkToroaudience intelligenceAudience intelligence makes it easier to discover websites, blogs, podcasts, social accounts, and publications that can help you reach your target audience.
SpeedCurveperformance | testing | benchmarkMonitoring of the front-end performance of your website. Competition benchmarks.
SpeedMonitor.iospeed monitoring, performance
Splunkdata | analyticsSoftware for searching, monitoring, and analyzing machine-generated big data.
Spotibocrawler, seo
Sprout Socialsocial analytics
SpyFukeywords
SQLdepparser | sql
STAT Search Analyticsanalytics
Statistical Test for Google Analyticschrome extension
StatusCakeuptime, monitoring, performance
Sterling2fractal
StoryMapsJSdata visualisation | map
Structured Data Testing Toolstructured data | google | testing
subdomain3security | testA tool for penetration testers that helps with discovering subdomains (IP, CDN...).
Sucuri SiteChecksecurity
Supermetricsdata, automation
Surfer
Suricat by Computestsecurity | ssl | monitoring
Sveltejavascript | js | framework | compiler | githubCybernetically enhanced web apps. A compiler that takes your declarative components and converts them into efficient JavaScript. Framework available at https://github.com/sveltejs/svelte.
Swaggerapi, development
Table Booster for Google Analyticschrome extension
Tableaudata analytics
Tag Assistant (by Google)chrome extension
Tag Manager Injectorchrome extension
Tags Trackerchrome extension
Talkwalkermention monitoring
TAW – Test de Accesibilidad Webaccessibility
TensorFlowmachine learning | neural network | ganOpen source library to help you develop and train machine learning models.
TGIF by Onely JavaScript SEO Toolsjavascript | seo | indexingGoogle Indexing Forecast tool by Onely.com is designed to provide a forecast of how long it will take for JavaScript-powered content to be indexed by Google.
Thanosmonitoring | open sourceOpen source, highly available Prometheus setup with long term storage capabilities.
The SEO Frameworkwordpress pluginHepls with automation, security, caching, and white hat SEO tactics.
The Upper Ranks PROSPECTOR Linkbuilding Toollink prospecting
thruuuserp, analyzer
TinEye Reverse Image Searchreverse image searchAllows you to search by image and find where that image appears online. Offers alerting and API for advanced usage.
Title & Description Pixel Checker: Preview Google Title & Descriptionutility
TL;DR by Onely JavaScript SEO Toolsjavascript | seo | renderingToo Long; Didn't Render by Onely.com is a tool that calculates the cost of rendering a web page.
TLDOpenerutility | tld | opener
TLS Checkersecurity, tls
Trandoshan Crawlercrawler | k8s | dark web | githubConfigurable and distributed dark web crawler designed to run on the cloud.
Treejackinformation architecture | testing
TreeMaptreemap visualisation
Trifactamachine learning
TubeKityoutube, crawler
TWINT - Twitter Intelligence Tooltwitter | python | scrapingTwitter scraping and open-source intelligence (OSINT) tool written in Python.
typopotypography
Ubersuggest by Neil Patelkeyword researchHelps to generate keyword ideas for content.
Ultra Fractalfractals
UMLetdiagrams
Uptime Robotmonitoring, uptime
URL Builder by LINK-BRAINurl standardization | utilityAn original LINK-BRAIN tool for URL modification and standardization. Build, modify, or trim URLs with only a few clicks. It replaces Excel or other table processors.
URL Opener by LINK-BRAINurl opening | utilityAn original LINK-BRAIN tool for batch opening multiple URLs at the same time.
URL Profilerdata mining
UsabilityHub First Click Testsclick test
Usabillausability test
Varvy PagespeedperformancePage speed test to find out what is slowing your website and optimization guide for webmasters.
Vega & Vega-Litevisualization design
VictoriaMetricsdatabase | prometheus
View Rendered Sourcechrome extension
Visual SEO Studiocrawler, seo
Visuallycontent marketingA gallery and creation for a visual content. It offers simple tools for data presentations.
Visualpingmonitoring
Vue.jsjavascript | js | framework | vueVue.js is an open-source JavaScript framework for building user interfaces and single-page applications.
VWOab testing
W3C Markup Validation Servicevalidator | html | w3c
Wappalyzerchrome extension
Wappalyzercms | technology | detectionA cross-platform browser plugin that uncovers the technologies used on websites. Used to detect CMS, frameworks, server software, or web analytics tools.
WASP.inspector: Analytics Solution Profilerchrome extension
Waterfoxweb browser, mozilla64-Bit browser based on Mozilla. Started in March 2011 started by Alex Kontos. Oriented on speed, ethics and users.
WAVE – Web Accessibility Versatile Evaluatoraccessibility
WAVE Accessibility Extensionaccessibility, firefox add-on
WAVE Evaluation Toolaccessibility | chrome extensionEvaluate web accessibility within the Chrome browser.
Wayback Machine Downloaderweb archive | github
Web Developer Toolbarchrome extension | developers | toolbarToolbar for web development with CSS live editing, cookies management, HTML validation, etc.
Web ScraperscrapingCan extract data from sites with multiple levels of navigation. It can navigate a website on all levels.
Web Scraperchrome extension | scrapingWeb site data extraction tool. Developed by webscraper.io.
WebAnywherescreen reader |Web-based screen reader that you can use to see how your site is experienced by people requiring assistive software.
Webarchivweb archiveThe museum of Czech websites.
Webbee SEO Spidercrawler, seo
WebCEOsuite
WebflowcmsResponsive business websites builder, CMS, and hosting platform without coding.
WebFX CrawlerFXseo spider
WebFX SEO Toolstools
webhint
WebPageTestperformance
WebSite Auditor from SEO Power Suiteweb graph | visualizationInteractive website visualizations. Creates oriented graph that helps to spot problems with site architecture, or analyzing internal link juice.
what3wordsmaps | experimentalEach 3m square in the world have assigned a unique 3 word address that will never change.
WhatRunscms | technology | detectionA browser extension that helps you identify technologies used on websites. Detects CDNs, WordPress plugins, web analytics tools, and other technologies.
WhatRunsWheread intelligenceProvides the digital ad intelligence and helps to spend money more efficiently.
WhitePresspaid articlesA content distribution platform with an automated marketplace for publishers and advertisers.
Whitespark Tools for Local SEOseo | local | citations | reviewsHelps you find citation opportunities and build reputation.
Who stole my pictures?firefox add-on | reverse image searchReverse image search using Yandex.ru, Tineye.com, Google.com, Bing.com and VK.com.
Who's Mailing What!mailing | archiveA direct mailing intelligence with comprehensive library of direct mailing campaigns. Explore succesfull campaigns and learn how to be more effective and creative.
Why No Padlock?security | checkerHelping websites become secure. Checks mixed content issues, SHA-1, expired SSL, etc.
WikiGrabberwiki | broken linksA tool for finding Wikipedia pages with broken links or insufficient citations.
WildShark SEO Spiderseo crawlerA crawler that will help you to identify errors and improve usability of your website.
Wolfram Language Image Identification Projectimage identificationShowcase project for image recognition that identifies content of images. Powered by Wolfram Cloud.
Wolfram Mathematica technical computingSystem for modern technical computing.
Wolfram Programming LabprogrammingSoftware with advanced programming language to create programs, and get introduced to modern computational thinking.
WolframAlphacomputational intelligenceA new paradigm for getting knowledge and answers. Tries to make all systematic knowledge immediately computable and accessible.
Woopracustomer journeyA platform for analyzing and visualizing customer journeys from the first marketing contact through product usage, emails and other interactions.
WooRankseo checkerWebsite analysis tool to track and connect your marketing data
WordPresscms | wordpressOpen source CMS for creating blogs and websites.
WordStream AdvisoradsSoftware designed to help businesses optimize results from their online advertising.
WPA SEO Auto Linkerwordpress pluginPlugin will automatically link any selected keywords or phrases in your content to chosen URLs.
Wrikeproject managementProject planning tool for remote teams.
WriteMaps Sitemap Buildersitemap xmlA visual sitemap builder. Helps to plan websites and content.
Writtentcontent | outreachA service with content creators that will write you content on demand and help you with outreach to your audience.
WWJD by Onely JavaScript SEO Toolsjavascript | seoWhat Would JavaScript Do tool by Onely.com identifies the JavaScript-generated elements of a web page and shows how it looks without JS.
Xanalyscrime | fraud | analyticsSoftware for threat assessment, investigative case management, and advanced crime and fraud analytics.
XaoSfractalA fractal explorer with continuous zooming, random palette generation, color cycling, and animated tutorials. Formerly found at http://matek.hu/xaos/doku.php.
Xapiansearch engine | libraryAn open source search engine library, written in C++ and released under the GPL v2+. Allows to add indexing and search facilities to applications.
XeMeLxml | feedOnline editor of XML feeds.
YaCysearch engineA P2P (peer-to-peer) search engine for decentralizing web search. Allows you to create your own search engine and portal. Useful for intranets. Distributed under GNU GPLv2 licence.
Yandex.Imagesreverse image search | yandexImage search service by Yandex that also offers an option to perform a reverse image search.
Yandex Metricaweb analyticsA web analytics tool by Yandex for tracking your website visits, performace and understanding you audience behavior. Comes also with heatmaps and clickmaps.
Yandex Webmasterwebmaster toolsA webmaster tool by Yandex for tracking statistics for search queries, organic impressions, CTR, and other data and information about your website.
yEd Graph Editordiagram | graph | visualizationDesktop application for generating diagrams and graphs.
Yextbusiness listing | maps | managementInterface to control your business listing on search engines, social media, maps, and other services.
Yoastwordpress pluginWordPress SEO plugin. It handles some aspects of the technical and content optimization of your site.
Zenscrape.comscraping | apiScraping API and proxies for handling web scraping tasks. JavaScript rendering available.
ZingChartdata visualization | charts | javascript | js | library | jsonA JavaScript library for creating animated and interactive charts.
ZingGridtable | javascript | js | libraryA plain JavaScript web component for building responsive and interactive data grids and tables. Works natively with all frameworks.
ZoomSpherementions monitoring | social media Tool for managing and monitoring social media accounts and mentions.
80legscrawler | scrapingCustomizable web scraping. Create and run custom crawls in cloud.
Andjing Web CrawlercrawlerA basic web crawler written in PHP.
Baidu Picturesreverse image searchImage search from Chinese search engine Baidu with an option to perform a reverse image search.
Beam Us Upseo crawlerJava based crawler for SEO. Helps with site auditing and uncovering issues as duplicate content or missing titles.
BLACKLISTALERT.ORGblacklisting | lookupA lookup service to check if your IP or domain is on some blacklist.
Browseoseo browserA web app that allows you to view any webpage without distractions caused by styles. It also highlights parts of a page that are relevant for SEO.
CIRCOSdata | visualizationA software package for visualizing data and information. It visualizes data in a circular layout.
Clusteric Auditorseo suiteA website auditing software. Helps with competitor analysis, link research, keyword research, or information extraction.
Counting Charactersserp preview | character counterGoogle SERP snippet optimization tool. Helps to optimize title and meta description length.
Does Your Mobile Site Hide Links?mfi | utilityCompares mobile and desktop view of your page and checks for differences in links.
GSiteCrawlerseo crawler | sitemap generatorGoogle Sitemap Generator for Windows. Generates a sitemap file for your website.
HyphecrawlerA web corpus curation tool featuring a research-driven web crawler.
Life32cellular automataFreeware for Conway's Game of Life.
lostcircles.comsocial | data visualizationA tool allowing to visualize and download your Facebook friendship network.
pqRrpqR (a pretty quick version of R) is a new version of the R interpreter.
Serpstatseo suiteAll-in-one SEO platform for professionals. Backlink analysis, rank tracking, competitor analysis, and more.
Structured Data Linterstructured data | linterA tool aiding webmasters and web developers to verify the structured data present in their HTML pages.
VischeckaccessibilityA visual checker that simulates how images and webpages would look to a person who is colorblind.
visonenetwork visualization | socialA software for the visual creation, transformation, exploration, analysis, and representation of network data.
Web Accessibility CheckeraccessibilityAccessibility checker tool by Stanford University. Only available after login. Should be at this URL: https://www.stanford.edu/group/accessibility/cgi-bin/accessibilitychecker/checker/index.php
Web Harvestcrawler | scraping | data miningExtracts data from websites using XML and text processing techologies.
Webbee SEO Spiderseo spiderA desktop SEO spider. Crawls your website following the same pattern as search engine bots.
WebEatercrawlerA Java tool for web site retrieval.
WebLech URL Spiderweb mirror | crawlerA web site mirror tool written Java. Comes with a GUI console.
Website GradertestTool developed by hubspot.com. Grades your site. Uses metrics like performance, mobile readiness, SEO, and security.
WebSPHINXcrawler | java | libraryWebSPHINX (Website-Specific Processors for HTML INformation eXtraction) is a Java class library and interactive development environment for web crawlers.
Wolf SpidercrawlerAn interactive web-based graph analysis and visualization tool build on Titan, Sigma.js and Elastic.
WonderWebWare SiteMap Generatorsitemap generatorA sitemap generator for Windows.
WordsCount: ReadabilityreadabilityOnline tool thath attempts to assign a grade to a sample of writing.
XenoDreamfractalA 3D graphics fractal explorer software of Julia and Mandelbrot sets.
Xenu’s Link Sleuthseo crawlerA software for checking web sites for broken links.
Zemantaads | dspA demand-side platform (DSP) for content distibution, video advertising, conversion marketing, or mobile apps advertising.
2D CA Rewriter Simulatorcellular automataDiscontinued cellular automata software. Former address http://www.crowdeduniverse.org/2d-rewriter/index.html.-
80Graphutility | csv | gephi | 80legs80legs export to Gephi CSV. Former address http://80graph.com/.-
Image Raiderreverse image searchAn online image search engine used for reverse image searching and monitoring. Discontinued during 2018. Formerly fount at https://www.imageraider.com/.-
IntuitionHQheatmapsA heatmaps tool. Formerly found at http://www.intuitionhq.com/.-
Keywordditkeyword researchA tool that sources keywords from subreddits on Reddit and provides context. Formerly found at https://www.keyworddit.com/.-
LifeLabcellular automataA cellular automata software for Mac. Formerly found at http://www.kagi.com/akt/lifelab.html.-
OSXCA systemscellular automataCellular automata software. Formerly found on http://uncomp.uwe.ac.uk/genaro/OSXCASystems.html.-
OSXRLCAU systemcellular automataReversible linear cellular automata.-
QC Spiderseo crawlerA crawler supposedly developed by queryclick.com.-
Trackursocial media | monitoring | omrSocial media monitoring tool designed to assist companies and PR professionals. Formerly found at https://www.trackur.com/.-
VOSON data provider for NodeXLdata visualization | node xlA specialized tool for hyperlink network construction and analysis. A data provider for Node XL. Formerly found at http://vosonlab.net/VOSON_NodeXL.-
W-Lifecellular automataA port of Xlife for MS Windows.-
WanderercrawlerWorld Wide Web Wanderer was a Perl-based research crawler deployed in 1993 and discontinued in 1995.-
WinLifecellular automataA cellular automata software for Windows. Formerly found at http://ftp.digital.com/pub/games/winlife.zip.-
WinLife32cellular automataCellular automata simulator. Formerly found on http://www.winlife32.com/.-
WJVNcellular automataJohn von Neumann CA simulator. Formerly found on https://userswww.pd.infn.it/~rnobili/wjvn/index.htm.-
Xlifecellular automataA cellular automata software. Formerly found at http://linux.maruhn.com/sec/xlife.html.-
Zkrat.iturl shortenerShortner with options to change title, description, or image from the original address. Helps with sharing shortened links on social media. Formerly found at https://zkrat.it/.-

FAQ


It's a curated list of tools. Mostly for SEO and data. It contains several hundred tools. This enormous catalog began its life as a simple list for personal use. The first items were saved approximately in the year 2015. Then the list developed and slowly grew into a database. And the database was transformed into an extensive public catalog you can now enjoy.

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