Trillian - Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.
LimeChat - LimeChat is an IRC client for Windows, Mac OS X and iOS. Features
Tiny Tiny IRC - Ajax-powered web-based IRC client. Contribute to saggim/Tiny-Tiny-IRC development by creating an account on GitHub.
Revolution IRC Client - MCMrARM has 82 repositories available. Follow their code on GitHub.
Spectrum Chat - A newly open sourced self hosted Slack like alternative for building persistent chat communities
QuasselDroid - Chat comfortably, everywhere. Always stay connected to IRC, never miss a notification. Access all your channels on the go.