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OpenSong vs ProPresenter: catalog facts
OpenSong	ProPresenter
Free Free and open-source software.	Paid Subscription with a free trial.
Windows, macOS, Linux	macOS
Automatic chord transposition and capo-aware chord sheets Builds sets that combine songs, scripture and timed loops	Independent layers for live changes Built for multi-screen live production
Built around worship and lyric projection rather than general slide decks The project site does not show recent release dates	Requires a paid subscription after the trial More complex than general slide software for simple talks
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is 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.