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RedNotebook vs Lotti: catalog facts
RedNotebook	Lotti
Free The open-source software is available without a license fee. Hosting, hardware and…	Free Free and open source under the GPL-3.0.
Windows, Linux	macOS, Linux, Android, iOS
Supports tags, templates, images and document exports.	End-to-end encrypted sync between your own devices AI suggestions require your approval
It is a local journal rather than a collaborative workspace.	AI agent workflow may be more than a simple journal user needs Cloud AI features depend on external model providers
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License: GPL-3.0-only
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 September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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