任何非铁轨红宝石论坛应用程序在那里？

I have a rather complete application based on sinatra. I feel in need for an easy to integrate forum module (code, extension, etc.). Running a parallel Rails application is not an option on my tiny VPS plan (I even use redis to keep a small footprint). A sinatra based forum would be great news. ThanksI have a rather complete application based on s