He started to be involved in libre software in 1991. Since then, he has collaborated in several working groups, has developed some research lines, and has started training programas on the matter.

He also collaborates with several libre software projects and associations, writes in several media about topics related to libre software, and consults for companies and public administrations on issues related to their strategy on these topics, in the framework of the GSyC/LibreSoft research group, http:libresoft.es