SDK & Source Code

Name / Purpose	Rating		Engine
Spirit of Half-Life Source Code Source Code
HL2 Wars Source Code Source Code
Half-Nuked Source Code Here's the source code of Half-Nuked, I just don't have a lot of time to dedicate to this mod and I don't think I'll work further on it, feel free to toy around with it, or even continuing it's development, that's up to you.
Notes Source SDK & Code SDK & Source Code
Estranged Act 1 Source Code Source Code
HL Invasion SDK with Source Code Source code for HL Invasion
Fman SDK Fman tools SDK
Weapon Jetpack Source Code Source Code
Half-Life Modding Kit - Code Just for the people who are only interested in the coding aspect of Half-Life Modding Kit. Includes summon sdk.
Bunker 66 VMFs Valve Map source for the Bunker 66 Mod
Heart of Evil Napalm Edition SDK SDK
Black Guard RMFs Source Map files for Black Guard
Headcrab Frenzy Source Code Source Code
Cold Ice SDK Source code for Cold Ice MP
Double Action Source Code Source code for the stylish game Double Action
Chicken Fortress 3 SDK Source code for Chicken Fortress 3 Pre Alpha
Half-Life: Absolute Zero - Absolutely Abandoned Previously scrapped content uploaded for people to use. Also includes 2 Absolute Zero pre-release builds
ARGG - Adnans Rotational Gravity Gun This is the source code for Adnan's Rotational Gravity Gun, v1.0.
Bloodlines SDK SDK
momentum mod source code Momentum Mod - Free and Open-Source Surf & Bunnyhop
Luminous Forts Source Code Source code
CSSRPG Source Code Source Code
Half-Life: Source 2007 ported to Source 2013 This is the Half-Life: Source code ported to Source SDK Base 2013 Singleplayer. For those who want make a Half-Life: Source mod.
Forsaken Source code Source Code
Paranoia SDK SDK
HL1 Lasthope Source Code Source Code
Garrys Mod LUA source LUA source code for Garrys Mod
ETC1 Source Code Source Code
Multiplayer AI Source Code Source code for Multiplayer bots from fistful of Frags
Trinity Render Alternate render engine for GoldSrc
Compiled Vanilla HL2EP2 Binaries (23.08.2015) Wazanator compiled a vanillia version of the EP2 binaries that come with the Source SDK 2013
Shotgun Source Code Source Code
Half-Life Reborn SDK Developer tools for Half-Life Reborn
HL Induction SDK SDK
Base Defense Mini SDK no source code just rmfs
omfgzombieslol Source Code Source Code
Tyrian Source Code Source Code
Source Towers SDK & Source Code SDK & Source Code
Python for Source SDK Integrate Python support into the Source Engine
Hazardous-Course 2 SDK Sample map files
Gunman WC Mappack Around 300 maps from the development of Gunman Chronicles. This is nowhere near the full map sources of the game, it is just what I've been able to gather.
Half-Life 2 Return To Xen - RTX Source Code Source Code
Battle Grounds Source Code Source code for the Battle grounds mod
Quick and dirty Bloodlines Tools SDK Tools for Vampire - The Masquerade: Bloodlines
Bisounours Source Code Source Code
Autonomy Lost map source files These are all the map source files for Autonomy Lost. Please note that they're in the JMF file format which requires the J.A.C.K. editor in order for them to work. Read the readme.txt for more info.
G String Source Code Repository for the Source engine modification G String
fortress forever Source Code A Team Fortress mod on the Source Engine
HL2DM Beta Source Code The source code for the Source SDK 2007 version of Half-Life 2 Beta Deathmatch.
HalfLife Tactics SDK SDK
Dark Messiah SDK SDK
Mario Kart Source Code Source code
Half-Life Modding Kit - Mapping This version only contains the tools used for mapping such as Hammer Editor and compile tools, and a large collection of map and prefab sources.
Pilotable Strider Mod Code source for a pilot-able Strider Mod
ICE - A Half-Life 2 Expansion Pack This is the ICE HL2 Expansion source code ported to 2013 single player by Marc-Antoine Lortie.
Castle Source Code Source Code
Golden Eye - Source (Source Code) Collection of Source code and libraries for Golden Eye Source
Sandbot Sandbot is based on HPB Bot by Jeffrey Broome
Prototype 98 RMFs Small collection of maps
The Ship SDK SDK
Cortex Cluster SDK SDK
ETC2 Source Code Source Code
Dreamball Dev Kit Dev Kit
Half-Life 2 SDK (HL2SDK) Source Code & SDK for Half-Life 2
Half-Life SDK (HLSDK) Source Code & SDK for the Original Half-Life
X-Half-Life Deathmatch Source Code X-Half-Life Deathmatch 3.0.3.8 Software Development Kit (SDK)
Natural Selection Source Code An attempt at getting Natural Selection to compile for Windows and Linux.
HL2-Base This file contains the HL2 Source Code, (It's basically HL2 stripped of everything and left with just the basic files needed to run it)
Half Screwed Source Code Source Code
Above the Catacombs Source Code This repository contains the source code and map format files used in the development of Above the Catacombs, a Half-Life 2: Episode Two modification
Hauntings SDK SDK
They Hunger Source Code Source Code
The Forgotten Ones Source Code This was initially a total conversion mod for Half-Life 2, when Greenlight came around I decided to give it a try
Arrangement Rebirth Source Code Source Code
The Wastes FGD & WAD Mini SDK for the Wastes
Amnesia Sound Engine For Half-Life Add an alternative sound engine to half-life
Half-Life Beta Death Match SDK SDK
Digital Paintball Field Development Kit Including every basic tool necessity a new or seasoned map developer will need to get started creating fields for DPB/Redux!
Neotokyo SDK SDK
Human Error Source Code Source Code
Zeno Clash SDK SDK
Cry of Fear SDK SDK
Blue Portals SDK SDK
JailBreak Source SDK SDK
Hammer Deluxe Source Code I dont even know....
Situation Outbreak Source Code Source Code
Enterprise - TCW Source Code Source Code
Basis - Source Code Something like Spirit of Half-Life. The intent is to add more features to the Half-Life SDK while better documenting the engine's features and maintaining the same style.
NimMod Source Code Source Code
HL Cam Mod Camera mod for Half-Life. Includes in game editing and external editing program that connects to the game.
An unknown game Source Code I only added 1 NPC, tried to add a weapon, but failed, and I modified some things, like the weapon bobbing, and I made the RPG slow down the player if they carry it.
Situation Outbreak 2 This Is a SDK conten From SO2 you are able to create custom conten to mod.
Alien Swarm SDK Templates Templates to make the Alienswarm SDK more like the Source SDK 2013
Medal of Honor: Allied Assault: Source Source code for Medal of Honor: Allied Assault: Source
HL Enhanced Half-Life Enhanced. Vanilla SDK with improvements.
Zombie Master Source Code Source Code
Uncertainty Principle Source Code Source and game files for the Half-Life 2: Episode Two mod Uncertainty Principle.
Orion Source Code Source Code

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