jMINT - Java Mutation for Integration Testing
Reduces data usage for websites and increases browser support for CSS3
Kasun de Silva
A tool for testing regular expressions.
Image based Test Automation tool (Java) - Test ANYthing, ANYwhere
A neural network library for Java.
Annotation driven java validation library.
A simple socket debugging tool for Android devices.
Data Access Layer 4 Java
Interpreter and debugger for various esoteric programming languages
Eclipse builder for FreeMarker templates
SPIN-based Eclipse Model Checking Plugin