A fast and lightweight messaging client built upon the Jabber protocol.Psi is the premiere Instant Messaging application designed for Microsoft Windows, Apple Mac OS X and GNU/Linux. Built upon an open protocol named Jabber, this is a fast and lightweight messaging client that utilizes the best in open source technologies. Psi is able to interoperate with other, proprietory messaging systems such as AOL's ICQ and Microsoft's Messenger. You can keep in contact with your friends, regardless of whether they use AIM, ICQ, MSNM or YahooM. It's even possible to use Internet Relay Chat!
You can run Psi on all modern Windows OS operating systems. Psi is a software product developed by Psi Programmers and it is listed in Communications category under Chat & Instant Messaging. Psi is a free software product and it is fully functional for an unlimited time although there may be other versions of this software product. Psi was last time updated on Jun 30th, 2018 to version .
Download and install Psi safely and without concerns.