SoapUI is a free and open source cross-platform functional testing
Node library to automate Chromium, Firefox & WebKit with a single API
Guarantee flawless API functionality with test scenarios
Python version of the Playwright testing and automation library
Lightweight service virtualization/ API simulation / API mocking tool
A modern load testing tool, using Go and JavaScript
Headless Chrome Node.js API
API automation and load testing framework
Desktop app for inspecting your React JS and React Native projects
Test automation made simple
Programmer-friendly testing framework for Java and the JVM
CLI tool to build, test, debug, and deploy Serverless applications
Super-agent driven library for testing node.js HTTP servers
End-to-end testing framework in Node.js & using the Webdriver API
Delightful JavaScript Testing
Khronos Vulkan, OpenGL, and OpenGL ES Conformance Tests
Laravel Dusk provides simple end-to-end testing and browser automation
.NET version of the Playwright testing and automation library
Testing for Developers. Toolkit that creates test-cases and data mocks
HTTP checks & tests (private & public) monitoring
Web Interface for viewing and testing emails during development
Most popular Mocking framework for unit tests written in Java
End-to-end HTTP and REST API testing for Go
A go-style coroutine library in C++11 and more
The most advanced tool for HTTP API