Cory DoctorowMastodon is a nonprofit, federated service built on a open standards. Anyone can run a Mastodon server, and the servers all talk to each other. This is like email - you can use your Gmail account to communicate with friends who have Outlook accounts.
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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.