Menu Maker is 100% Python heuristics-driven menu generator for a number of X Window Managers and desktop environments. It features large knowledge base of known programs, powerful and flexible search algorithms, persistence of menus across several WMs
Patchamama is a binary patch maker/applier that works on directory tree. It can be used in application deployment, large scale project patching (including source and binary data). It use bsdiff for the binary diff job and 7zip for compression.