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ForgetMeNot vs Todosian: catalog facts
ForgetMeNot	Todosian
Free Free and open source under GPL-3.0.	Free Free and open source under the Apache-2.0 licence.
Android	Android
Integrates with an Obsidian vault Lightweight and simple	Works directly on existing Markdown files No account or database import
Very new project with few releases Little documentation	No built-in sync, so a separate sync tool is needed Android only
Downloadable app	Downloadable app
Open source	Open source
License: GPL-3.0-only	License: Apache-2.0
No account needed	No account needed
Not stated if it works offline	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.