The OWASP ZAP core project
End-to-end testing framework in Node.js & using the Webdriver API
Malicious traffic detection system
Headless Chromium-based web performance metrics collector
A Node.js tool to automate end-to-end web testing
Marathon supports testing of Java/Swing and Java/Fx applications.
Axway Automation Testing System (ATS) - Ready to use examples
Offensive PowerShell for red team and penetration testing
Benchmarking tool for web based applications and web servers.
Redhat Linux OVM System Performance Monitoring
Enterprise level performance test platform on The Grinder
Madcow 2.0 - Advanced Test Automation
A Portable Thin Client & Server Pair for XA / 2PC Testing