Linuxsms is a Perl script to send SMS to GSM phones. There is support for multiple servers/gateways (some servers require registration). The script has an adressbook, the ability to compress SMS, and the ability to check for new versions.
Information regarding Project Releases and Project Resources. Note that the information here is a quote from Freecode.com page, and the downloads themselves may not be hosted on OSDN.
The servers bluewin and nskyline have been removed. The char limit in
the server gomobile has been fixed, and there are some updates in the
server uboot. There is a new Java GUI.