Centipede is a simple framework for writing command line application in Java. It uses classpath scanning and the Spring framework to automatically discover classes that fit a certain pattern to automatically expose classes as command line applications.
Telepath provides map/reduce code for processing Wikipedia Pagecounts. These contain usage data for all Wikipedia pages in all languages on an hourly basis. Derived from the bakemono toolkit, this project can process this 3TB data set with ease.