Biber is a sophisticated bibliography processing backend for the LaTeX biblatex package. It supports a unsurpassed feature set for automated conformance to complex bibliography style requirements such as labelling, sorting and name handling. It has comprehensive Unicode support.
A mod_perl-based RPC API designed for ease of setup, ease of extension, and rapid development. Using Presto, you can develop a robust, fully "web-2.0" web application in a day or two. Oh and it scales. Take that, Ruby on Rails.
Small text tools for code formatting of web pages, wikis etc.
Small text tools for code formatting of web pages, wikis etc. Interpreted scripting language for Unix tools word processing.