Program for sending SMS over the Internet. It uses publicly available web gateways and sends messages through them. This way it can be much more comfortable than using a web browser or a mobile phone.

Features:

• Send SMS through various gateways (local or international)
• Supports all common operating systems (Linux, Windows, Mac OS, etc.)
• Free, under open-source licence GNU AGPL3+
• Import contacts from other programs (DreamCom) and formats (vCard)
• Send SMS to multiple recipients at once
• History of sent messages
• Pluggable operator system - easy to provide support for more operators directly by users
• Extensive possibilities of changing appearance
• Many other planned features

Requires Java Runtime Environment. Get It Here.

Downloads for Linux and MacOS available at the developer´s website.