OpenLP - About OpenLP.
JW Library - Study the Bible in English, Koine Greek, and over a hundred other languages.
EasyWorship - EasyWorship is an expansive worship presentation software that was designed for all kinds of parishioners. This program brings solid church media with audio and video to every place of worship, from the smallest to the biggest megachurches.
Xiphos - Xiphos (formerly known as GnomeSword) is a Bible study tool written for Linux, UNIX, and Windows...
VideoPsalm - Free worship presentation software for churches,
Bible Analyzer - Bible Analyzer Bible Software: Free Bible Study for Windows, Macintosh, and Linux, with Statistics, Word Lists, Audio, Text-to-Speech, and an Extensive Library