OpenHopla is a suite of products including SpartanUnit (a microkernel-like implementation of xUnit), unit tests, and code kata. The mission of OpenHopla is to help programmers practice and teach the Tao of Testing.
Orchid is a Tor client and library written in pure Java. It exposes a SOCKS5 listener for use as a Tor client, and can also be used to (nearly) transparently Torify new and existing applications that run on the JVM. It also runs on Android devices.