Mark Malstrom@Razemix @cheeaun depends on what you mean by "server.” The AT Protocol works differently than the Mastodon/ActivityPub. The Mastodon implementation of ActivityPub wraps up your identity, data storage, moderation, and social media app backend into one "server.”
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.