Another is Syndie
https://www.syndie.de/features.html
Syndie operates in a manner similar to blogs, newsgroups, forums, and other
content tools; it allows one or more authors to privately or publicly post
messages. Messages are pushed and pulled to and from archive servers (other
peers that choose to be), which are hosted in a variety of anonymous and
non-anonymous locations.
Most archive servers are HTTP archives hosted inside the I2P network, but
there are syndie archives in Freenet as well as the normal internet
Although might have closer look into the Licenses as is "multiple"
Public domain, BSD license, GNU General Public License, MIT license, Artistic
License
