GlyphOne salient cultural attribute of "free software" that you may notice this calls into question is one's affect with respect to windows support. It seems like "windows support" is doing free work for Microsoft, supporting a proprietary platform rather than getting users to install Linux or whatever, but in practice, projects that support Windows are projects that individuals without full control of their technology stack can run, but Linux-only means "server-only" for a huge majority of people.
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.