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Memos vs Note Mark: catalog facts
Memos	Note Mark
Free Free and open source; the project accepts sponsorships.	Free Free and open source; the developer accepts donations.
Web, Self-hosted	Web, Self-hosted
Timeline layout suited to quick notes and daily logs Markdown notes with nested tags and a tasks view	Minimal and fast web interface Self-hosted, so notes stay on your server
Requires running and maintaining your own server Built for short notes rather than long structured documents	You need to run and maintain your own server Smaller feature set than larger note platforms
Self-hosted	Self-hosted
Open 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 September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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