Pidgin is a program of Messaging Instant for Windows, Linux, BSD and other Unix. You can talk to your friends using AIM, ICQ, Jabber / XMPP, MSN Messenger, Yahoo, Bonjour, Gadu-Gadu, IRC, Novell GroupWise Messenger, QQ, Lotus Sametime, SILC, SIMPLE, MySpaceIM, and Zephyr.
Pidgin can connect to multiple accounts simultaneously instant messaging networks. This means that you can chat with your friends on AIM, talking to a friend on Yahoo Messenger, and sitting in an IRC channel all at the same time.
Pidgin supports many features of the different networks, such as file transfer, absence messages, and notification of strike. It also goes beyond and offers many unique features. A few popular features are leaps Buddy, which give the opportunity to inform you, send a message, play a sound or run a program when a friend goes, specific signs online, or returns from idle, and plug-ins, consisting of replacing text, a buddy, extended message notification ticker on iconify them, spell checking, tabbed conversations, and more.