Dusk OS was created by Virgil Dupras.

I was not alone in creating it though. Some people wrote significant parts of
it:

Michael Schierl
  - Usermode Dusk
  - POSIX/SDL port
  - Created [gr/grid] [emul/oberon] [text/clip] posix/kbdconv
    [oberon/clipboar] [oberon/convertp] [oberon/dumpfont] [oberon/fontsubs]
    [oberon/growfont] [oberon/optimize] [oberon/draw]
  - Improved [app/ed]

Arcade Wise
  - Created [drv/pc/rtc]

Lucas Chaloyard
  - Created [asm/riscv] [xcomp/riscv/kernel]

Bruno Franco
  - Created [doc/howto/asmrings]

Aaron Miller
  - Created [io/part/mbr] [xcomp/i386/pc/pbr]
  - Improved [asm/x86] [xcomp/i386/pc/mbr] [drv/pc/int13h] [fs/tar]

Ruben Lysens
  - Created [asm/riscvd]
  - Improved [asm/riscv]

Drache
  - HAL improvements and optimizations across the board, especially RISC-V
  - Created [num/double] [num/xxhash] [num/chacha] num/poly1305] [asm/m68kd]
    posix/time.c [lib/func]
  - Improved [lib/bit] [hal/opq] [gr/rdwr] [lib/coop] [hal/instr]
    [asm/riscv] [asm/x86d] [mem/dict] [mem/blk]

iyzsong
  - Orange Pi port (deploy/sunxi/orangepi-pc)
  - Created [drv/sunxi/intr] [drv/sunxi/emac]
  - Improved [drv/sunxi/timer]

Other people have made smaller contributions and are listed below in order
of "appearance". To know the nature of those contributions, look
in the history of the git repository.

binarycat from flounder.online
Kartik K. Agaram
Gary V. Vaughan
Alex Wennerberg
Alice West
Henk van de Kamer
Andy Caird
Tyler Quiring
Cyril Elkaim
Rett Berg
Gunnar Ahlberg
Katie Keller