Miranda IM is an open source multiprotocol instant messaging application, designed for Microsoft Windows. Miranda is free software distributed under GNU General Public License. Miranda IM provides a basic client framework, GUI, and an advanced plugin architecture. Support for various IM protocols and additional features is implemented through optional plugins, some of which come bundled with Miranda IM by default; the rest (over 500) are available on the official addons site. Unused protocols can be removed. The protocol plugins included with Miranda IM are AIM, Gadu-Gadu, ICQ, IRC, .NET Messenger Service (a.k.a. MSN), XMPP (& Google Talk), and Yahoo! Messenger. Other protocols available via plugins include Bonjour Fetion, Facebook (chat client), Inter-Asterisk eXchange, Lotus Sametime, NetSend, MySpace, Tencent QQ, SIP, Skype (requires Skype), Tlen.pl, Xfire. Miranda IM was first started by Roland Rabien (figbug) on February 2, 2000.
Contributions by Zxcv666, Lexein, and Cerrigno.