- GSocket — Low-level socket object
 - GDatagramBased — Low-level datagram communications interface
 - GInetAddress — An IPv4/IPv6 address
 - GInetAddressMask — An IPv4/IPv6 address mask
 - GSocketAddress — Abstract base class representing endpoints for socket communication
 - GInetSocketAddress — Internet GSocketAddress
 - GUnixSocketAddress — UNIX GSocketAddress
 - GSocketControlMessage — A GSocket control message
 - GUnixFDList — An object containing a set of UNIX file descriptors
 - GUnixFDMessage — A GSocketControlMessage containing a GUnixFDList
 - GCredentials — An object containing credentials
 - GUnixCredentialsMessage — A GSocketControlMessage containing credentials
 - GProxy — Interface for proxy handling
 - GProxyAddress — An internet address with proxy information
 - gnetworking.h — System networking includes
 
