VoipGain 1.02 for Mac could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. This free program is compatible with Mac OS X 10.5 or later. The actual developer of this free software for Mac is Voipgain.
The software lies within Communication Tools, more precisely Texting & Video calls. Voipgain_1.01.pkg is the most frequent filename for this app's installer. We recommend checking the downloaded files with any free antivirus. The most popular version among the program users is 1.0.
From the developer:
VoipGain provides you with the cheapest international calling rates available! Another incredible feature is that you can talk for FREE with other VoipGain users. (pc-to-pc)
For a call to any online VoipGain user, simply enter the username in the textbox and click the dial button.
You may want to check out more Mac applications, such as Jelly SMS, which might be related to VoipGain.
Instant messaging