The 2.2 version of FrontlineSMS for Mac is available as a free download on our website. The most popular version of the application is 1.6. This free Mac application was originally developed by Frontline. The program is categorized as System Tools.
From the developer:
FrontlineSMS is award-winning free, open source software that turns a laptop and a mobile phone into a central communications hub. Once installed, the program enables users to send and receive text messages with groups of people through mobile phones.
You may want to check out more Mac applications, such as ToFi, QuakeBar or iStar Composer, which might be similar to FrontlineSMS.