New stable Gammu release collects several bugfixes and improves error reporting.
You are downloading Gammu source code. To compile it you need some development environment for your platform and CMake tool to configure the sources. There are also some optional requirements for additional features which are listed in INSTALL file in sources. This file also contains more detailed instructions about compiling Gammu.
Tento archív obsahuje utilitu Gammu, knihovnu libGammu a Gammu SMSD.