Let's not forget about Lightbend in this with Akka.
Pekko is playing catchup right now. Also, they're a bit of a small crowd. (As in .. under lightbend Akka has developed a crowd.. but Pekko has to struggle to form now)
TL;DR: In September 2022, Lightbend changed Akka's license from Apache 2.0 to BSL 1.1