[ynab4]

No. You're not going to charge me for taking notes.

[raesene9]

Obsidian is free though. Even for syncing it's totally possible to do that wit just git (which is what I do)

[callahad]

Only for personal use. If you're using it at work, you're supposed to purchase a license. https://obsidian.md/eula

> You need to pay for Obsidian if and only if you use it to contribute, directly or indirectly, to revenue-generating, work-related activities in a company that has two or more people.