Merge pull request #103 from b3z/patch-1

Add Irssi under Messenger/IRC Clients

README.md

@@ -276,6 +276,12 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/trimstray/multitor"><b>multitor</b></a> - a tool that lets you create multiple TOR instances with a load-balancing.<br>
 </p>
 
+##### :black_small_square: Messengers/IRC Clients
+
+<p>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://irssi.org"><b>Irssi</b></a> - is a free open source terminal based IRC client.<br>
+</p>
+
 ##### :black_small_square: Other
 
 <p>