Advanced Doom map editor based on Doom Builder 2 with Mono support.
Ultimate Doom Builder is a map editor for Doom, Heretic, Hexen, and Strife. It is a continuation of Doom Builder 2 with many new features and improvements, including cross-platform support via Mono.
0-unstable-2026-02-01aarch64-linuxarmv5tel-linuxarmv6l-linuxarmv7a-linuxarmv7l-linuxi686-linuxloongarch64-linuxm68k-linuxmicroblaze-linuxmicroblazeel-linuxmips-linuxmips64-linuxmips64el-linuxmipsel-linuxpowerpc-linuxpowerpc64-linuxpowerpc64le-linuxriscv32-linuxriscv64-linuxs390-linuxs390x-linuxx86_64-linux