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.
You can download file releases of LinuxSMS - console script for send SMS project from List of release files
System RequirementsOperating System: POSIX (Linux,BSD,Solaris etc..), Linux
List of release files