A fork of the Psi IM client which is actually maintained and updated. Rolling releases - as new features and fixes are added, new releases come out. Cross platform - I use it on my Linux desktops and my OSX machine for work and it's quite solid. The configuration menus are a little tricky and hard to navigate, so you'll have to go through them a couple of times before you get things set up the way you want them. Customizable - themes, fonts, et al can be tweaked. Also has a plugin system so you can install add-ons.
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