dwillequer
Sure, this would be cool (an open marketplate, I mean).
We have not spent too much time on making the repository more approachable, as it was not used much. Its not too hard to setup after you install it - just a couple of forms where you enter your application and upload releases.
If someone wants to take the initiative and has questions or needs support for writing docs or setting up something themselves, I would be happy to help.