tom jenningsThere's the model Cygnus Support used. They'd port a package to some platform, eg gcc or whatever, the client pays Cygnus to fix bugs that affect them, those bugs go into the source for everyone's benefit but the client gets to set priority and other bennies.
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.