Drew DeVaultthe right to sublicense in spite of the copyleft requirement -- they get their own special license when you sign their CLA.
But Redis was permissively licensed, and so it can be sublicensed by anyone. Hence, it can be distributed under the LGPL. This is what Redict is doing. [...]
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.