The OpenPGP Alliance is a growing group of companies and other organizations that are implementers of the OpenPGP Proposed Standard.
OSAF mission is to create and gain wide adoption of Open Source application software of uncompromising quality.
OFSET is a not for profit French international association under the law of 1901. It has been set up in response to the slow development of free educational software for the GNU system.
They invite researchers to post their papers on open source and free software there, and to add themselves to the research directory.
OCA represents the collaborative efforts of a group of cultural, technology, nonprofit, and governmental organizations from around the world that will help build a permanent archive of multilingual digitized text and multimedia content.