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The best Software Testing tools and resources on the internet.
Over 500+ awesome tools and resources on the internet to supercharge your testing.

Pitest
FreeState of the art mutation testing system, providing gold standard test coverage for Java and the jvm.

AutoIt
FreeAutomate the Windows GUI and general scripting

Dummy
FreeRun mock server based off an API contract with one command
SQLite Schema Diagram Generator
FreeVisualize yout DataBase in SQL Schema graph.
Stryker Mutator
FreeTest your tests with mutation testing.
AgentProbe
Open SourcePlaywright for AI Agents. Test what your agent DOES, not what it SAYS. YAML-first behavioral testing. Catch PII leaks, tool abuse, step explosions. 3200+ tests.

Cursor Directory
FreeFind the best cursor rules for your framework and language
MutPy
FreeA mutation testing tool for Python 3.3+ source code

Siteimprove Accessibility Checker
FreeJumpstart Your Web Accessibility Efforts Directly in Google Chrome
Contrast Checker
FreeChecks contrast for WCAG compliance
Metasploit
FreeThe worldβs most used penetration testing framework

PyWinAuto
FreeWindows GUI Automation with Python (based on text properties)

Endtest
PaidIntelligent Test Automation

checka11y.css
FreeA CSS stylesheet to quickly highlight a11y concerns.
A Test Automation Project
FreeLearn how to build and run their own tests locally and in CI.

Advanced REST Client
FreeA better API testing tool

FocusBloom
FreeEnhance your productivity and time management skills through focused work intervals and short breaks.

CodeSandbox Black
FreeCodeSandbox Black theme for VSCode.
Selenium Kubernetes
FreePre-configured YAML files to effortlessly deploy a Selenium Grid on your Kubernetes.

Firecamp
Free PlanDesign, develop, test, and document their APIs effortlessly.

Docker Windows
FreeWindows inside a Docker container.

GraphQL Network Inspector
FreeA better network inspector for viewing and debugging GraphQL requests in Chrome and Firefox.

Cypress GraphQL Mock Network
FreeSimple network mocking for your GraphQL API.
SelectorsHub
FreeA FREE xPath plugin to auto generate, write and verify xpath & cssSelector.
JSON Viewer
FreeAn online JSON viewer that lets you minify, beautify, and load JSON from a file.

Writerside
FreeIDE for writing documentation.

Beeftext
FreeAn open source text substitution tool for Windows.
borp
Freenode:test runner wrapper with TypeScript support

Conftest
FreeA utility to help you write tests against structured configuration data

Json Pub
FreeGenerate a visualization of your JSON, XML, CSV, YAML, SVG, .INI, serialized, hex, base64, or binary data local only, and share data via a URL


