- YannHodique wrote an extension for using ErBot with Lispy. lispy.el comes with ErBot
- plugb0t  is a ‘fun project’ by mwolson. It is an ErBot instance that connects to AIM using a local BitlBee server, which proxies AIM and the like through IRC. It is also possible to connect to other IM clients that BitlBee can talk to, like MSN, ICQ, and Jabber.