I don't see any articles on motivation / benefits of RavenDB. For example:<p>- How many benefits does it have over something like Mongo?<p>- I'm not sure how .net is a benefit since others have C#/linq drivers<p>- Isn't this concerning? <a href="https://jeremydmiller.com/2013/05/13/would-i-use-ravendb-again" rel="nofollow">https://jeremydmiller.com/2013/05/13/would-i-use-ravendb-aga...</a><p>- $6000 is not cheap
- Is Marten free? Seems hard to compete with a foundation as powerful as Postgres.