Tomahawk IRC Client
An IRC client that uses Tcl for not only the scripting, but also the "glue" at the C level for how all the parts of the

Communications::Chat::Internet Relay Chat
Religion and Philosophy
Software Development::Interpreters

BibleTime - a bible study tool for linux
BibleTime is a powerful Bible study tool for Linux. It uses the Sword programming library to work with Bible texts, commentaries

Education::Computer Aided Instruction (CAI)
Religion and Philosophy
Software Development::Frameworks
Software Development::Object Oriented
Software Development::User Interfaces

Hebcal
A perpetual Jewish Calendar

Office/Business::Scheduling
Other/Nonlisted Topic
Religion and Philosophy