Compare software

flatnotes vs Synology Note Station Client: catalog facts
flatnotes	Synology Note Station Client
Free Free to self-host from the public GitHub repository.	Free Free with a Synology NAS that runs the Note Station package.
Web, Self-hosted	macOS, Self-hosted
No database; notes are plain Markdown files Flat folder storage is easy to back up or sync	Notes stay on your own NAS Rich text, media embedding and attachments
Requires running your own server Flat folder structure offers little hierarchy for large collections	Requires Synology NAS hardware Closed source and tied to the Synology ecosystem
Self-hosted	Downloadable app, Self-hosted
Open source	Closed 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 24, 2026	Official website Full listing and sources Checked October 2, 2026

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