Compare software

OpenSong vs Proclaim: catalog facts
OpenSong	Proclaim
Free Free and open-source software.	Paid Paid subscription with a 14-day free trial and unlimited seats.
Windows, macOS, Linux	macOS
Automatic chord transposition and capo-aware chord sheets Builds sets that combine songs, scripture and timed loops	Built around church services, lyrics and sermons Built-in library of motion backgrounds and graphics
Built around worship and lyric projection rather than general slide decks The project site does not show recent release dates	Paid after the trial Focused narrowly on church use
Downloadable app	Downloadable app, Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.