Also the following people have contributed code to some of the versions:
Stefano Berardi (Torino), Pascal Boldini (Paris), Paul Callaghan (Durham), Lauri Carlson (Helsinki), Koen Claessen (Chalmers), Robin Cooper (Gothenburg), Thierry Coquand (Chalmers), Marc Dymetman (XRCE), Bertrand Grégoire (Tudor Institure, Luxembourg), Reiner Hähnle (Chalmers), Gérard Huet (INRIA), Patrik Jansson (Chalmers), Bernard Jaulin (Paris), Lauri Karttunen (PARC), Matti Kinnunen (Nokia), Veronika Lux (XRCE), Per Martin-Löf (Stockholm), Bengt Nordström (Chalmers), Martin Okrslar (CIS), Jianmin Pang (Durham), Sylvain Pogodalla (XRCE), Loïc Pottier (INRIA), Annie Zaenen (PARC)
The GF logo was designed by Uula Ranta.
From 2001 to 2004, GF enjoyed funding from the Vinnova foundation, within the Interactive Languge Technology project.