Collection of yasnippet snippets for many languages
PDF Concatenation Tool
Music score editor
So many tools to help a writer work but not all of them are free!
Localization tools built by localizers for localizers
A command line tool to extract, transform and get metadata for ISBNs
Literate Programming in pure Python
MS Word / HTML to CHM / Web Help converter
A Text Editor for the Yorùbá Language
Complete tool for constructing/manipulating languages in digital form
SCons tool to cooperate with dvipdfm program