Download of X-Lite 3 4.1 for Mac was on the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The most popular version among the program users is 4.1. The software lies within Communication Tools, more precisely Texting & Video calls. We recommend checking the downloaded files with any free antivirus. This free Mac application is a product of CounterPath Solutions.
From the developer:
Combining voice calls, video calls and Instant Messaging in a simple interface, CounterPath's X-Lite helps you seamlessly transition from a traditional phone environment into the world of Voice over IP.
The latest release of X-Lite provides a completely redesigned interface that allows for a contact-centric or dialpad-centric user experience, or a combination of the two.
You may want to check out more Mac applications, such as X-Lite, Paint X Lite or Shape3D X Lite, which might be related to X-Lite 3.