FediTips has moved!The servers communicate by federation, you can follow and interact with people, magazines and threads from different servers. You can even do this from non-Kbin servers.
You don't need a single sign-on in this situation, and the idea of the Fediverse is to avoid any centralised services.
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.