Aeternity hasn't disclosed many big collaborations (I'm excluding any exchange or DEX partnerships). Their previously announced relationship with Erlang Solutions, on the other hand, has the potential to be quite beneficial.
their ambassador program was launched If you're interested in helping to promote Aeternity, I strongly encourage you to join and participate; it's exactly the kind of initiative required to help the ecosystem flourish. Aeternity is a bold initiative that aims to create a smart contract blockchain that is extremely scalable. They want to do so by adding a more scalable consensus mechanism as well as state channels as first-class objects.