Extensible validation for JavaScript
Null dereference verifier for Java Programs
Eliza - simple framework for BDD development and acceptance testing.
GUI based tool for running tests or configuration via telnet protocol
MOVED TO GITHUB. Code here is STALE.
Source Code Analyzer
jMINT - Java Mutation for Integration Testing
Collection of Open Source tools for HP ALM
Image based Test Automation tool (Java) - Test ANYthing, ANYwhere
DATA Gen™ - Test Data Generator to generate realistic test data.