The OWASP ZAP core project
Testing for Developers. Toolkit that creates test-cases and data mocks
Desktop app for inspecting your React JS and React Native projects
A TCP proxy to simulate network and system conditions for chaos
Now continued as OculiX — see oculix.org
Guarantee flawless API functionality with test scenarios
Development tools and libraries specialized for Angular
SoapUI is a free and open source cross-platform functional testing
An alternative side effect model library for Redux applications
Install and run Python applications in isolated environments
RSpec for Rails 5+
Beyond the basics of Node.js testing
CLI tool to build, test, debug, and deploy Serverless applications
Visual diffing in CI for user interfaces
Backend and Frontend application for tracking differences via image
Headless Chrome Node.js API
Concurrent browser tests for your Elixir web apps
Fast, easy and reliable testing for anything that runs in a browser
Speedtest Tracker is a self-hosted internet performance tracking app
Gateway service providing dynamic routing, monitoring and more
HTTP checks & tests (private & public) monitoring
Drill is an HTTP load testing application written in Rust
qooxdoo - Universal JavaScript Framework
Supports tests, providing lightweight, throwaway instances of database
Lightweight service virtualization/ API simulation / API mocking tool