Add-on software for Leafnode

• http://leafwa.sourceforge.net/ - "Leafwa", Phil Hunt's Leafnode Web Administration package. PHP, GNU General Public License. Maintained by Andy Piper.
• http://zigzag.lvk.cs.msu.su/leafnode/ - "mlgroups" patch, Nikita V. Youshchenko's bidirectional mailing list ↔ news groups gateway.

Related software

Small news servers - Leafnode's competition

• http://infa.abo.fi/~patrik/sn/ - Harold Tay's "sn", another small news system for small-scale use. GNU General Public License. Maintained by Patrik Rådman.
• http://noffle.sourceforge.net/ - Markus Enzenberger's "noffle", yet another system similar to leafnode but with a unique 'online' feature. GNU General Public License. Maintained by Jim Hague.
• http://www25.big.jp/~jam/leafnode+/ - "Leafnode+", probably abandoned (last release 2003). leafnode's sibling, branched off Leafnode 1.4 and maintained by Kazushi Marukawa.

News proxies

• http://www.linuxhacker.at/newscache - Thomas Gschwind's "NewsCache", now maintained by Herbert Straub.
• http://iq.org/~proff/nntpcache.org/ - nntpcache by Julian Assange, Luke Bowker and the nntpcache crew.