Ok, to make a long story short, VM saved the day with a totally incredible product and I have to say I've rarely seen something free being that professionnal!
Congratulations to all those who took part into that project and thanks for your time and efforts!
http://www.neoharmonia.com/ (http://www.neoharmonia.com/)
(at the time of this post, only the french version is fully implemented, but I'm working on the translations ;D)