the checklist version of the Obsidian manifesto:

1. free for personal use
2. interoperable local plain text files
3. no telemetry
4. E2E encryption
5. flexible API for desktop and mobile
6. actively maintained/patched
7. no VC funding

making /obsidian • writing stephango.com

Do you only rely on donations, subscription for multiple platforms?

Arsenal | Working on algorithmic public goods funding at tea

we have several revenue streams:

- Commercial use license
- Catalyst gives you early access to new Obsidian features
- Sync service for desktop<>mobile, which is optional and has free alternatives
- Publish service for web hosting notes, also optional and has free alternatives

https://obsidian.md/pricing