Logo of "GPLv3." Says, "Free as in freedom" underneath.
https://hostux.social/system/media_attachments/files/112/961/559/294/723/798/original/7904caa99a71ef65.png
From the preamble of the GNU GPL: "[T]he GNU General Public License is intended to guarantee your freedom to share and change all versions of a program--to make sure it remains free software for all its users. [...]" https://u.fsf.org/3kz
076萌SNS is a social network, courtesy of 076. It runs on GNU social, version 2.0.2-beta0, available under the GNU Affero General Public License.
All 076萌SNS content and data are available under the Creative Commons Attribution 3.0 license.