Livecomments.go is a project mainly written in JAVASCRIPT and GO, it's free.
A live commenting system built in Go, Socket.io, Redis, and Backbone.js
A real-time comments system created as a learning exercise in Go, Redis, Backbone.js, and Socket.io. The tutorial associated with this is at (http://paulbellamy.com/2011/04/livecomments-go/)[http://paulbellamy.com/2011/04/livecomments-go/].
make && ./livecomments