Open source testing tools, ranked by score and analyzed honestly. Part of our Developer Tools coverage.
Ranked by score. Updated weekly.
JavaScript API for Chrome and Firefox
Industry standard UI component workshop
Web testing and automation framework
Fast, reliable browser testing
Delightful JavaScript testing
Browser automation framework
React DOM testing utilities
SMTP testing tool
Scalable Python testing framework
Scalable load tests in plain Python
Next-gen testing framework powered by Vite
Modern load testing tool
Property-based testing for web UIs — autonomously explores and validates correctness properties, finding real bugs.
A lightweight AWS service emulator written in Go