Xten Lite Xten Lite is an SIP client for Linux, Windows and Mac OS X. At the moment there is a free version and a commercial one. Manufacturer Description "Superior audio and video quality, zero-touch configuration, IM & Presence, and a comprehensive personal address book." Download Link: http://www.counterpath.com/x-lite.html Manufacturer: CounterPath
	Zoiper Zoiper is a softphone for Windows, Linux and MacOS Manufacturer Description A free softphone with SIP and IAX support. Version 2.0 features a complete new look and a new user-friendlier interface. Download Link: http://www.zoiper.com/download_list.php Manufacturer: http://www.zoiper.com/