UTCmds allows ! (exclamation) commands in a game.
UTCmds works on most UT99 Game types
!Red or !r (switch to Red Team)
!Blue or !b (switch to Blue Team)
!Green or !g (switch to Green Team)
!Gold or !y (Switch to Gold Team)
!spec or !spectate or !s (Player to Spectator)
!play or !p (Spectator to Player)
!vote or !mapvote or !v (BDBMapvote command)
!sdm or !sm (SmartDM Menu command)
!ctfstats or !ctf (CTFStats)
!u (feign death)
NB: UTCmds is a serverside mutator so no Serverpackage is required!