Licq includes all the basic features of ICQ, like sending and receiving messages, chat, file transfer, contact list with pixmaps and user status, basic and extended user information, adding and editing users from within the GUI, user history, user groups, and new user registration. All commands and information are available through a simple and convenient tab dialog. Licq also has a completely configurable user interface with Skin and Icon pack support. It is written in C++ and comes with a GUI plug-in using the Qt widget set. Other plug-ins are also available.