Pidgin

Pidgin is an easy to use and free chat client used by millions. Connect to AIM, MSN, Yahoo, and more chat networks all at once.

Supported chat networks:

* AIM
* Bonjour
* Gadu-Gadu
* Google Talk
* Groupwise
* ICQ
* IRC
* MSN
* MXit
* MySpaceIM
* QQ
* SILC
* SIMPLE
* Sametime
* XMPP
* Yahoo!
* Zephyr

and even Facebook also

Download Pidgin on this website http://pidgin.im/download/

Do you know that pidgin by default log your chat??? Now how to disable it?

Please visit this link http://grok.lsu.edu/Article.aspx?articleId=6642 to disable chat logging It depends on what OS and what version of pidgin you use.

If you want to delete previous logged chat then Download BleachBit for Linux


BleachBit

BleachBit quickly frees disk space, removes hidden junk, and easily guards your privacy. Erase cache, delete cookies, clear Internet history, remove unused localizations, shred logs, and delete temporary files. Designed for Linux and Windows systems, it wipes clean 70 applications including Firefox, Internet Explorer, Flash, Google Chrome, Opera, Safari, Adobe Reader, APT, and more.

Beyond simply deleting files, BleachBit includes advanced features such as shredding files to prevent recovery, wiping free disk space to hide traces of files deleted by other applications, and vacuuming Firefox to make it faster.