(warning, lame marketing attempt following)

I am happy to report that Wengo (the company I work for) has finally released version 2.1.0 of the WengoPhone, a GPL licensed, Qt4 based, cross-platform softphone featuring SIP based VoIP, multi protocol IM support (thanks to libgaim libpurple), SMS sending, PSTN calls and much more.

Want to know more? here is the release announcement.

Convinced? grab your copy here!