qooxdoo - Universal JavaScript Framework
Delightful JavaScript Testing
A library for isolated developing UI components
Python version of the Playwright testing and automation library
Node library to automate Chromium, Firefox & WebKit with a single API
Headless Chrome Node.js API
Visual Regression Testing for Storybook
Test automation made simple
.NET version of the Playwright testing and automation library
Fortio load testing library, command line tool, advanced echo server
Visual diffing in CI for user interfaces
Self-hosted Speedtest for HTML5 and more
Supports tests, providing lightweight, throwaway instances of database
An alternative side effect model library for Redux applications
Super-agent driven library for testing node.js HTTP servers
Browser test runner based on mocha and wdio
BDD / TDD assertion framework for node.js
Modern concurrency tools including agents, futures, promises, etc.
Powerful, elegant and flexible test framework for Kotlin
The open-source Playwright library for AI browser regression testing
Testing and automation scriptable tool
A Javascript library to make unit test and multiple onload events
UVU is an extremely fast and lightweight test runner for Node.js
Lightweight CSS regression testing
Marathon supports testing of Java/Swing and Java/Fx applications.