You can download two programs here - Gammu and Wammu. Wammu is a GUI program, while Gammu a command line and it includes a SMS daemon and Python bindings. Please check linked pages for more details.

Please select download option best fitting your platform. If you use Linux, your distribution most likely already contains binary packages, so the easiest way to get it is to install it directly from your distribution repositories.

Download Gammu

Download python-gammu

Download Wammu