The 0.8.15.1 version of Irssi is available as a free download on our website. Irssi lies within Internet & Network Tools, more precisely General. This free program was originally designed by Irssi Team. The most popular version among the software users is 0.8.
From the developer:
The Irssi for Windows installer and portable packages are finally in the process of being updated for Irssi . Before the new Windows binaries are released, we'd like some Windows users to test the installer in order to prepare it for prime time. If you would like to help with the test effort, please read the testing notes that outline the testing details, then download the test installer. The Irssi Team would also like to wish you a happy holidays and all the best for the New Year.
You may want to check out more software, such as Smuxi, which might be similar to Irssi.