GUI Tools for OpenConnect
NetworkManager
Support for OpenConnect in NetworkManager has been integrated into GNOME git and is released alongside NetworkManager's other VPN modules: http://ftp.gnome.org/pub/GNOME/sources/NetworkManager-openconnect/.
OpenConnect is also supported in KDE Plasma NM as well as the older widget-based NetworkManagement applet.
ConnMan
ConnMan has core OpenConnect functionality as from version 0.48, and the corresponding support is also in the meego-panel-networks user interface. Other ConnMan UI front ends may lack VPN support.
OpenConnect-gui
OpenConnect-gui is a Windows port of OpenConnect.