Open Fortress - List of developers:

Project lead:
KaydemonLP

Gameplay Coordinators:
AgitationSkeleton
Stachekip

Programming:
Alex Episode
MaartenS11
Rara Cerberus
Chrissy
Jill Nesbit
KaydemonLP
Nbc66
Avast Antipony
Nopey Nope
Swox
Ficool2

Voice acting:
Stachekip - Mercenary
Drew - New Soldier & Engineer Voice Lines
EverMatt - New Scout Voicelines
Meta - TFC Demoman

Announcers:
Benjamin Rudman
Tyler McVicker

Weapon and misc. player sound effects:
Stachekip
Omniary
Meta

Viewmodel rigging and animations:
Polybagel - Mercenary First Person Animations
Ficool2 - Animation Fixes, Original Akimbo Animations, Original Mercenary Gloves, Higher Poly version of the new gloves
Rara Cerberus - C_Arm ports
Hex - Railgun fire & Charge animation, Berserk Fist animations
KaydemonLP - New Mercenary gloves, Concept Animation,

Character concept art and models:
DrPyspy - Mercenary Model and Concept Art, Early Civilian concept
NoNotTheMemes - TFC Heavy and Soldier concept and head sculpt, Juggernaut Concept, Current Civilian concept and Head Sculpt
Drew - TFC Spy Model
Lena - TFC Soldier Head Concept

Weapon and cosmetic concept artwork, models & textures:
Ficool2
DrPyspy - Railgun Concept
Batandy - Tommy Gun
Suomimies55 - Chainsaw, Super Shotgun, Lightning Gun
Gibus Cat
Stachekip
NoNotTheMemes
Drew - Super Shotgun
Skerion - BFG
Overpowered - Revolver

Prop and scenary Models & Textures:
Boomsta - Vending Machines, Pickup Truck, Cheese Shop Props & Misc
ChargingTurnip - Barrel, Generator props, Loaded Crate, Beetle car, Pig, Chair, Desk
Ficool2 - Couch
NoNotTheMemes - Couch
KaydemonLP - SkateBoard
Suomimies55 - SkateBoard Textures
Richter - Office Textures

Placeholder TFC Model Ports:
Ficool2

Gibs, gore and dismemberment effects:
Ficool2
Populus

Particles:
FissionMetroid - Stock Particle overhaul, BFG/Nailgun/Railgun/DM Medigun particles
KaydemonLP - Lightning Gun Particles/BFG Smoke and flame particles

Menu and promotional art:
Gibus Cat
iiboharz

Main Menu UI Design:
KaydemonLP - Original Main Menu & Loading Screen Overhaul
Chrissy & PacMania - Font fixes, Main Menu Font Changes, Options Menu Fixes

In Game HUD Elements:
KaydemonLP - DM & Bomb Defusal Hud
Nbc66 and PacMania67 - Scoreboards
Krowing - TDM Hud
Snowy Snowtime - Minimal Mode Fixes
Chrissy - Polishing and fixes
Ficool2 - Invade Gamemode

Valve.bik Intro:
Meta
MrModez

In-game menu logo concept:
HDMineFace

Final Logo and Icon designs:
KaydemonLP

Ambient sounds:
Omniary (Wiseau)

Music:
Magnus
MrModez
Thoopje
Meta
Withered Rose

www.openfortress.fun website:
EmNudge
AgitationSkeleton (Placeholder Site)
Nbc66 (Placeholder Site)
Nopey Nope (Placeholder Site)

Maps:
Hambooga - The Bad Place, The Longest Yard, Aerowalk
DrPyspy - Blood Run, Parley, Push
AgitationSkeleton - House of Chthon, The Bad Place, The Dark Zone, Dead Simple, Overkill, Crossfire, Xpress3, Shortwave
HDMineFace - Legacy, MCTF Splashdown, CTF and DM Greenback, Boxy [Updated Map], Hydro (dm), Shortwave (Layout Adjustments)
Chrissy - Office, House of Chthon, Crossfire
Fairweather - Pandora
Suomimes55 - Congo, DM+CTF Backfort, Boxy, Weapon devtest map, Knoxx
Ficool2 - DM Lumberyard, assistance with Weapon devtest map
MacD11 - Wiseau, Range, Dead Simple, Grain, Offblast
KayDemonLP - DM Harvest, Devtest maps
Lena - Cargo, Dark Zone
Boomsta - Sawdust
Gibus Cat - Indev DM_2Fort
Bakscratch - DM Watergate, Skate, Bailey
PigPig - Knoxx
Hex - Skate, Lobster Shore, Knoxx
iiboharz - Wiseau, DM 2Fort, DM Ravine, DM Offblast
Savva - Hollow, port of CTF Redplanet by Spipper, MCTF Turbine
Spipper - CTF Redplanet
Muddy - Grain
HQDefault - Blood Covenant
Charging Turnip - Badworks
Reddking - Hydro (dm)

Third party Assets Used with permission:
Landfall Assets by Dr. Spud and Nineaxis
Borneo Assets by Heyo Cutino
Cosmetic Set "Top Fragger" by Drew, Yikes, Makkon and Hotrod McCoolguy
Train Models by Freyja

Open Fortress - List of community contributors:

Cori - cl_showpos_xy and of_healonkill convars
Msalinas -  Enabled Nav Mesh and implemented of_navmesh_spawns, MP3 voiceline implementation
ChargingMeatloaf - dm_badworks + Badworks music
Infomaniac - DM Shipment
MegapiemanPHD - dm_deadlock_a1
Occune - Russian translation
Technochips - French translation
The Engineer - Hungarian translation
Nival, Arcus Merseneri and Amuno - Italian Translation
Amy (@OctoGril1) - Female Merc design + Easter egg drawing on legacy
Tyler McVicker - For streaming Open Fortress and offering to be an announcer

Open Fortress - Special thanks:
Trotim (for helping KaydemonLP with programming)
Nicknine (for the TF_Port SDK 2013 codebase)
Saul Rennison (for proper dynamic shadows using the L4D method)
Train (for helping with all language support)
Ian "Idolon" Spadin (Arena Byre)
Randy Goffe - For allowing us to use Resonance
The Jabroni Brawl 3 team (for Their Support and being a awesome mod)
Obsidian Conflict team & Maestro Fénix (for the grappling hook stuff)
Half Life 2 Comunity Edition ( for the original Alien Swarm UI port )
tonysergi (for MP Gravity Gun carried objects fix and MP vehicle fix)
Secobmod ( for Multiplayer AI fixes )
Blixibon ( for Mapbase: better env_projectedtextures, more logic entities etc )
TotallyMehis ( for clientside ragdoll cleanup fix )
SuperBigBoy (food)
