The MAINTAINERS file in the svn repository provides a list of email addresses to contact regarding specific issues. Also see credits.
MAINTAINERS as of revision 1528:
This code is maintained on svn://odamex.net:2000 Post bugs to http://odamex.net/bugs IRC irc.oftc.net #odamex AlexMax: alexmayfield@carolina.rr.com (documentation) anarkavre: anarkavre@zoominternet.net (coder) deathz0r: deathz0r@unidoom.org (documentation, testing and code cleanups) denis: denis@voxelsoft.com (lead coder) <- patches joe: joejkennedy@gmail.com (coder) Manc: mike@mancubus.net (services and odamex.net website admin, project manager) Ralphis: ralphis@unidoom.org (project manager) Russell: russell@mancubus.net (launcher coder, coder) <- patches SoM: somtwo@gmail.com (coder)