jchart2d is a real-time charting library written in java.
Immutable/Persistent Collections Library
Java based CPU stress testing tool
Live Trace Visualization for Large Software Landscapes
Records, edits and executes The Grinder scripts
Android common lib, ImageCache, HttpCache, DropDownListView, etc.
Measurement science-based performance & conformance testing framework
JBernstein: Exploration techniques for non-linear constraint checking
Java Performance and Scalability Testing
A library with Scalable (and fast) Read-Write locks
Free Java components for Quantitative Finance and Algorithmic Trading
Enterprise level performance test platform on The Grinder
Test suite with unit regrssion and execution statistics
Frontend & Backend Automation Tool
Central Software Configuration by Java API and SOAP Service
A library for monitoring the garbage collection of app objects
command line sort utility
Big Sack: A lightweight Java Key/Value store with undo and disk cache.