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Note Mark vs Plainpad: catalog facts
Note Mark	Plainpad
Free Free and open source; the developer accepts donations.	Freemium Free and open source; Markdown editing and offline mode are paid add-ons via custom…
Web, Self-hosted	Web, Self-hosted
Minimal and fast web interface Self-hosted, so notes stay on your server	Optional encryption of note content in the database Unlimited users
You need to run and maintain your own server Smaller feature set than larger note platforms	Markdown editing and offline mode are paid extras Plain-text notes only in the free version
Self-hosted	Self-hosted
Open source	Open source
License not stated	License: GPL-3.0
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.