CMPH

Link: http://cmph.sourceforge.net/

Intro: A perfect hash function maps a static set of n keys into a set of m integer numbers without collisions, where m is greater than or equal to n. If m is equal to n, the function is called minimal.

HandAlign

Link: http://www.umiacs.umd.edu/~hal/HandAlign/index.html
Intro: a tool to assist manual alignment in MT, summarization, ...