Magical Cat@mcc Open-source software can cease to exist anytime too - due maintainers burnout under burden of unpaid work, for example. Or by sme other reasons. More chances if project managed by some group of people/organization as foundation with proper measures for longevity.
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.