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Mere Medical vs Harp: catalog facts
Mere Medical	Harp
Free Free and open source; donations support hosting costs.	Free Free on F-Droid; the Play Store version is paid as a way to support development.
Web, Self-hosted	Android
Pulls records from Epic, Cerner and OnPatient portals Data stays on your device	Data kept as plain Org Mode files you own No accounts, servers or analytics
Still labelled pre-release software Maintained by a single developer	No built-in sync; bring your own tool Org Mode format is unfamiliar to many users
Self-hosted	Downloadable app
Open source	Open source
License: MIT	License: GPL-3.0-or-later
No account needed	No account needed
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.