Actually, I think the closed beta is one of the best ways to get cracking on development. We've been working pretty hard on a jailbreak mod for CS:GO, and as you can see it's pretty complete already, before the game has even been launched. Here's a little preview, the IP for testing is in the video description so you can check it out for yourself if you want to.
[video=youtube;IriMiv6KGcM]http://www.youtube.com/watch?v=IriMiv6KGcM