Signataires de la déclaration
- Oasiswork, France
- Objectif 100%, France
- Objectif Libre, France
- OFSET (Organization for Free Software in Education and Training), France
- Oisux, France
- Open Education Consortium, France
- Open Knowledge France, France
- opendoor, France
- OpenSides, Belgique
- Openska, France
- Optimum Fluides, France
- OSINIX, France
- Outre Mer Topographie SARL, France