SmartSprites maintains CSS sprites in your designs, fully automatically. No tedious copying and pasting to your CSS when adding or changing sprited images.
Lists, Sets, Maps and other collections of primitives for Java tuned for highest performance and memory efficiency.
A set of extensions for turning your JUnit4 tests into performance micro-benchmarks with GC monitoring, time variance measurement and simple graphical visualizations.
A runner and infrastructure for executing randomized tests (and more!). A task for ANT and plugin for Maven allowing concurrent test execution and eye candy reporting.