QFE is full-featured cross-platform FTN message editor with a graphical interface. It written on C++/Qt and does not depend on either KDE, Gnome or other window managers. All operations with FIDO message base use fidoconfig library from HUSKY project.
An open source BFCP (Binary Floor Control Protocol, RFC4582) library written in C. This library is currently being used as BFCP stack for CONFIANCE, an IMS-compliant open source implementation of the IETF XCON (Centralized Conferencing) framework.