There are many alternatives to Vacuum-IM for Windows and since it's discontinued a lot of people are looking for a replacement. The best Windows alternative is Pidgin, which is both free and Open Source. If that doesn't suit you, our users have ranked six alternatives to Vacuum-IM and three of them are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Vacuum-IM are Gajim and YakYak.
Pidgin is a chat program which lets you log into accounts on multiple chat networks simultaneously. This means that you can be chatting with friends on XMPP and sitting in an IRC channel at the same time.
The goal of Gajim is to provide a full featured and easy to use XMPP client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.
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