Eloquent is a powerful Bible study tool for Mac OS X, supporting features such as services, to access the Bible in any program. It uses the Sword Library to work with bible texts, commentaries, dictionaries.
Baculator is a Reverse Polish Notation (RPN) calculator program with an infinite scrollable stack and support for most common mathematical operations as well as some more esoteric operations. Available for Unix/Gtk+, Mac OS X, and MS Windows.
Fraktron is a set of specifications, libraries and applications to facilitate historically correct typesetting of German and other languages in blackletter script using a variety of font formats, encodings, modes and features.
A plugin for the MacOS X Mail application that adds the ability to fetch mail stored on a httpmail (Hotmail) server
Cross platform media manager using XBMC scrapers, featuring a upnp server, fanart, poster and thumbnail support as well as meta data information about movies, tv shows, music, games and more.