GXSNMP: an easy way to build multithreaded, SNMP communication applications.
GXNet: an easy way to build multithreaded, Internet communication applications.
GXSMS: an easy way to send and receive SMS (Short Message Service) messages.
GXGPRS: an easy way to build multithreaded, GPRS communication applications.
GXSerial: an easy way to build multithreaded, serial communication applications.