Is G2O still in development?

[lapzoo]

Of course, here's a proof:

https://i.imgur.com/OCZFq5L.jpg

Would it be possible with the current state of G2O to implement MMO-like Features, running stable with a lot of players?

I think that's already possible.

There's a lot of scripts and modules made by users, that make it easier to create our own mmo server:
GUI
GUI 2
AI
Item grounds
Utility Scripts
Packet listener
SQLite
MySQL

Awesome, that's great to hear. All respect to the polish Gothic community. You gave us the first multiplayer and to this day continue to make it better and better.