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