Magma at its initiation extended a hard fork of OAI. The projects have since diverged quite a bit, but some of the core bits are still shared. NextEPC was renam

Magma at its initiation extended a hard fork of OAI. The projects have since diverged quite a bit, but some of the core bits are still shared. NextEPC was renamed to open5gs a while back, and a lot of the open source telecom work seems to be happening there https://github.com/open5gs/open5gs https://github.com/open5gs/open5gs . The project was recently reorganized by its founder though, and currently requires a CLA to contribute upstream.