I have a little hobby swap site that I could quickly convert into an unofficial HN book/thing swap. I would be glad to release the source if necessary so others

I have a little hobby swap site that I could quickly convert into an unofficial HN book/thing swap. I would be glad to release the source if necessary so others could improve upon it, seeing that there are a few things I haven't had time to finish. Let me know HN, this seems to be a common enough thing for a dedicated solution.