-
WorkOS
The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.
They probably won't mind much as original code is licensed freely - https://github.com/swarmsim/swarm/blob/master/LICENSE ... Though with that said, there are so many clones of it already it is good to pick something else just for freshness and trying new ideas out ;-)
NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a more popular project.