Ircdhmn is a project mainly written in JavaScript, it's free.
IRC bot for the DHMN.net IRC channels
The IRC DHMN's soul purpose is to provide a bridge between the 2 DHMN IRC channels.
DHMN: http://dhmn.net DHMN IRC Channel Info: http://dhmn.net/IRC%2BChat
The DHMN only uses 1 non-core library (directly): IRC-js, found at: https://github.com/gf3/IRC-js/