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 1351:
This code is maintained on svn://odamex.net:2000 Post bugs to bugs.odamex.net IRC irc.oftc.net #odamex AlexMax: alexmayfield@carolina.rr.com (documentation) anarkavre: anarkavre@zoominternet.net (ex-coder) Dash: dashevil@gmail.com (coder) denis: denis@voxelsoft.com (lead) <- patches Manc: mike@mancubus.net (odamex.net) Ralphis: ralphis@unidoom.org Russell: russell@mancubus.net (launcher) SoM: rzeller@ameritech.net (coder) Toke: embryonic138@yahoo.com (coder)