François ELIE, professor of philosophy, computer scientist amateur, is the ADULLACT co-founder and president. He is also AFUL vice-president. He published at Eyrolles in 2009 "Economie du logiciel libre" (free software economy). His cause is those of mutualisation of customers. I has two formulas: "a free software is free when it has been paid" and "public money should pay only once". ADULLACT is a pionner association gathering mainly French local authorities, who gave itself for vocation to develop a patrimony of administrative free softwares on public funds. It opened a forge, Adullact.net, and gave the idea of European forge osor.eu.