LMPC is a tool to manipulate games recordings (demos). Supported games are DOOM, DOOM ][, Heretic, Hexen, DukeNukem3D, Redneck Rampage, Quake, QuakeWorld, Quake2, and Quake III Arena.
tkBoom is a GUI launcher for the game Doom (and all of it's various ports). tkBoom is written in Perl, and will run on Unix, Windows, and Macintosh systems. The GUI is provided by the Perl Perl::Tk module but tkBoom DOES NOT require Tcl/Tk to run.