The OWASP ZAP core project
A fast, high-level web crawling and web scraping framework
A next-generation code testing stack for JavaScript
Software Monitoring Framework
Open source Scrum tool and an ALM solution
HTML5 Browser automation tool
Modular web site spider for web developers.
Drives your automation lifecircle gathering information, test & deploy
Java based load testing tool for HTTP applications.
Madcow 2.0 - Advanced Test Automation