The OWASP ZAP core project
Load testing tool for analyzing and measuring performance of services
A fast, high-level web crawling and web scraping framework
Automation for iOS, Android, and Windows Apps
Optimizer for mobile applications
End-to-end testing framework in Node.js & using the Webdriver API
A C++ library for AVR and NodeMCU
Render Web Services for Viewing/Monitoring and Test Web Applications
Software Unit Tests (Language Independent Approach)
A next-generation code testing stack for JavaScript
Java-based test automation framework (Maven + TestNG)
Test Automation Management Tool
Marathon supports testing of Java/Swing and Java/Fx applications.
Filler Studio for any kind of automation for Windows,Linux,Mac.
Sahi is a web automation testing tool focused on testers
Test automate native or hybrid Android apps and the mobile web
R-U-Dead-Yet? (RUDY) Original source code files
A model-based test automation framework for GUI applications
Java based load testing tool for HTTP applications.