fast and throroughly parallelized byte-level diffing library written in pure java. provides a base implementation of a famous O(ND) algorithm as well as a version optimized to produce diffs that are optimally run-length-encoded (which badiff diffs are). find it on maven central.
falling block game and engine (read: kind of like tetris) that uses artificial intelligence to give you terrible shapes. find it on maven central.
fork of the nullpomino project, since diverged so extensively that the two are wholly incompatible. something like 70% of the code has been rewritten, minus most of the suck.
simplex repaginator: site
utility for people who need to scan double-sided documents but have only a single-sided document-feeding scanner.
functional programming library for java drawing concepts from jruby and clojure. find it on maven central.
simple and fast message queue using a publish/subscribe model for transferring byte arrays. thoroughly parallelized. topics are composed of a channel string and any number of argument strings; mmmQ runs each topic channel on a separate pair of TCP/UDP sockets to further reduce server processing time.