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LibreOffice Impress vs Deckset: catalog facts
LibreOffice Impress	Deckset
Free Free and open source, developed by The Document Foundation and community contributors.	Paid Paid app with a free trial.
Windows, macOS, Linux	macOS, iOS
Free with no account or subscription Multimedia slide shows	Slides generated from plain Markdown Works with any text editor on Mac
Installed with the whole LibreOffice suite rather than on its own No built-in real-time co-editing like online presentation tools	No Windows, Linux or Android version Less layout control than a traditional slide editor
Downloadable app	Downloadable app
Open source	Closed source
License: MPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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