Introducing the Functional Source License: Freedom without Free-riding
blog.sentry.io
Sentry has moved to a new license for its products called Functional Source License, and explains in this article the story of the licensing for these products and why they throw BSL for FSL.
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They do allow you to profit off the software though, by using it to host the service for yourself (even as a company), you just can’t offer hosting as a service to compete with them. Obviously this doesn’t offer as much freedom as just a straight MIT or Apache license, but I feel like it still qualifies as open-source; they are only really adding one restriction, and it could even be considered less restrictive than something like GPL (no requirement to open source derived software). I think this license makes a good compromise of being as open as they possibly can without AWS/GCP/Azure eating all of their business without doing any real engineering work.