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Iotas vs Joplin: catalog facts
Iotas	Joplin
Free Free and open source under the GPL-3.0 or later.	Free The applications are free and open source. Joplin Cloud is an optional paid sync service…
Linux	Windows, macOS, Linux, Android, iOS, Browser extension
Fast Nextcloud Notes sync with offline editing Optional Markdown with a formatted view and task lists	Offline first: all data stays on the device, so notes work without a connection End-to-end encrypted sync through Nextcloud, Dropbox, OneDrive, WebDAV, S3 or Joplin Cloud
Notes are stored in SQLite, not plain files Export to PDF, ODT and HTML is still in preview	The editor and interface feel less polished than commercial note apps Setting up sync and encryption takes a few steps the first time
Downloadable app	Downloadable app, Browser extension
Open source	Open source
License: GPL-3.0-or-later	License: AGPL-3.0-or-later
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked September 20, 2026

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