libqt4-network 4:4.8.5+git192-g085f851+dfsg-2ubuntu1 (amd64 binary) in ubuntu trusty

 Qt is a cross-platform C++ application framework. Qt's primary feature
 is its rich set of widgets that provide standard GUI functionality.
 .
 The QtNetwork module offers classes that allow you to write TCP/IP clients and
 servers. It provides classes to make network programming easier and portable.