- GSocket — Low-level socket object
- 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