ExpoSong is a worship presentation software. Its features include image, lyric, and text presentations, gradient backgrounds, schedules, on-screen notifications, logos, and more.
OpenSong is an application for managing chords and
lyric sheets (lead sheets), presenting lyrics (and
custom slides) using a projector, and much more.
It's great for worship leaders and musicians.
Asaph is a tool for Christian music groups and worship leaders for managing song databases. Its features include searching, manipulating chord markings, printing lead sheets, and generating presentations for use in group worship.
Lyricue (previously known as Lyric Display System) is used to edit/display song lyrics on a second screen/projector for use at singing events such as church services.
A message transfer agent.
A low-level, optimized basic linear algebra system.