The best Software Testing tools and resources on the internet.

Perform 110+ operations, including encoding, decoding and more...

Record, Replay, and Stub HTTP Interactions.

An offline documentation browser for software developers and testers.

An LLM playground you can run on your laptop.

benchmark tooling that loves you ❤️

Your Local API Testing Playground.

Pest is an elegant PHP Testing Framework with a focus on simplicity.

AI assisted Browser automation using Playwright that enables LLMs to interact with pages through structured accessibility snapshots, bypassing the need for screenshots.

Open source graph visualization software

Checks contrast for WCAG compliance

Collection of classic Macintosh system releases and software accessible from the web browser.

An extension that allows for Bionic Reading on any webpage!

Simplify creating, managing, and executing automated tests.

Your shell history: synced, queryable, and in context

View JSON in a browser, with syntax highlighting, collapsible arrays and objects, and nice readable formatting.

A simple checklist of the essential items to include in your bug reports.

A macOS app that simplifies window management for you.

Kubernetes-native framework for test definition and execution

node:test runner wrapper with TypeScript support

Auto-transform JavaScript comments into Playwright steps

Temporary and reusable inbox at your fingertip

A clean and readable Playwright reporter that turns noisy test output into structured, timestamped, developer-friendly logs — all right in the terminal.

over 80–100 fully free, online tools for developers, designers, covering coding, design, graphics, text editing, image, network, cryptography and more..

Library of accessibility automation examples that use multiple different testing frameworks

Unified dashboard summarizing results from the Web Platform Tests (WPT)

Check how well your Web Application Firewall (WAF) protects your product against common web attacks.

Static code analyzer for Infrastructure as Code