PUB is the successor of PUB1 - the worlds famous public AS/ system with The use of this server is free for everyone's learning purposes including Signup for PUBCOM · User self service · What is this all about?. Yes, there is a free iSeries. It's a public AS that is open for all to use. You just have to register for an account and you can start coding RPG. Hi, can anyone can tell me the free sites to access AS/, where we can do the actual RPG coding? Asked: July 1, PM Last updated: July 18.