Pidgin 2.7.5 Free Multi-Messenger for many networks

Pidgin is a fee Multi Messenger formerly known as Gaim all user to communicate with friends and colleagues by using almost all know type or protocol including AIM, ICQ, MSN, Yahoo, IRC, Jabber, Gadu-Gadu and Zephyr.

Pidgin allows you to create any number of accounts and also offers an auto-login that logs the user when the program starts at the desired accounts. Even the automatic entering of individual IRC channels is possible.

Source: technotraits.com [...]

Miranda IM 0.9.10 – Free Multi-Messenger

Miranda IM is a free Multi Messenger that supports multiple IM protocols, including AIM, ICQ, MSN, Jabber, Yahoo and other well know message protocol. With help of  Miranda user can use these networks into a single interface.

According to the Miranda developer the mail aim of this multi messenger is to preserve resources and work very quickly and still offer a wide range of functions which can by plug-ins. To adapt the appearance skins are available, appear as in the Miranda ICQ look.

Source: miranda-im.org [...]