Many people have contributed to MCServer, and this list attempts to broadcast at least some of them.

BasedDoge (Donated AlchemistVillage prefabs)
bearbin (Alexander Harkness)
beeduck
birkett (Anthony Birkett)
derouinw
Diusrex
Duralex
FakeTruth (founder)
HaoTNN
Howaner
jan64
jasperarmstrong
keyboard
Lapayo
Luksor
linnemannr (Reid Linnemann)
M10360
marmot21
Masy98
mborland
mgueydan
MikeHunsinger
missingchar (mathias-github)
mtilden
nesco
p-mcgowan
rs2k
SafwatHalaby (Safwat Halaby)
SamJBarney
Seadragon91 (Lukas Pioch)
Sofapriester
SphinxC0re
NiLSPACE (formerly STR_Warrior)
structinf (xdot)
Sxw1212
Taugeshtu
tigerw (Tiger Wang)
tonibm19
UltraCoderRU
WebFreak001
worktycho
xoft (Mattes Dolak/madmaxoft on GH)
Yeeeeezus (Donated AlchemistVillage prefabs)

Please add yourself to this list if you contribute to MCServer.