HexChat - HexChat is a fork of XChat with bug fixes and new features.
Workrave - Workrave is a program that assists in the recovery and prevention of Repetitive Strain Injury (RSI).
irssi - Irssi is a terminal based IRC client for UNIX systems.
stretchly - break time reminder app
Kiwi IRC - A hand-crafted IRC client that you can enjoy. Designed to be used easily and freely.
StretchMinder - Work break timer with guided movement & breathing exercises