Another darknet "pastbin" alternative: DNCA - DarkNet Coder Assembly http://shn3x3whdm5tuut4.onion/ Its hosted by anarplex a long-time operator of community and dark nets. Ryan Pear wrote:

We're happy to announce the release v0.0.2 of Repbin: The replicated, encrypted, distributed and anonymized pastebin.

Changes include: Better terminal usability, sqlite/mysql backend, binaries!

Check here for release source code and client binaries: https://github.com/repbin/repbin/releases/tag/v0.0.2

About Repbin: Repbin is an encrypted pastebin for the command line that runs over Tor!