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.
OpenLP - About OpenLP.
VideoPsalm - Free worship presentation software for churches,
Servant Keeper - Servant Keeper develops and distributes church management software also offers worship software.
Quelea - Quelea is an open source lyrics projection package aimed at churches.
Church Windows - Web based and hosted management software for churches