The Mana World fork of Hercules. This is vanilla Hercules with a few tiny modifications for our specific needs. Mutually-beneficial modifications are contributed upstream.
Haru - Herclues extensions and maintainer of the Hercules fork.
Mark Lindner - Lead developer & maintainer.
Daniel Marjamäki - Enhancements & bugfixes.
Andrew Tytula - Windows port.
Glenn Herteg - Enhancements, bugfixes, documentation corrections.