Browse the Community

Name	Service
Ubermicro	Community of tutorials on mapping and modding
/r/Portalmaps	/r/Portalmaps
Rvanhoorn	Half-Life 2 Map Editing Optimization Guide
Half-Life	The Official Half-Life Website
Appalachian Killing Grounds	Old site with large collection of tutorials
Half-Life Nostalgia Project	Collection of screens and info prior to the release of Half-Life. another victim to gamespys untimely demise.
Half-Life Beta Project	Nice little russian site covering Half-Life designed around the old steam colors.
SRCDS	Source Dedicated server resource
Official twitter for Valve Software	Official twitter for Valve Software
Slackiller	Tutorials, textures and maps for Source
Weapons of Day of Defeat	Weapons of Day of Defeat
Weapons of Counter-Strike: Global Offensive	Weapons of Counter-Strike: Global Offensive
hlds_linux	Official mailing for Half-Life Dedicated Servers on Linux
modsentry	Great resource covering popular game mods
The Snarkpit	Host for maps, tools and tutorials, active community
taz00	Some useful source modding tips can be crawled here
Background Radiation	Unfortunately dead, this site provided prefabs back in the day
Half-Life [GameHut]	Old site with walkthroughs on half-life
Half-Life Programming	Great resource for Half-Life coding
Dota II	The Official Dota 2 Website
Combine OverWiki	Comprehensive information on Half-life and Portal
Chaosincarnate	Tools and Tutorials for Source Modding
ModDota	Great resource for modding Dota II
Counter-Strike Planet	Great old mapping resource for Counter strike.
Sven Co-op	Great website with a very active community for the Sven Coop Mod
Half Life Saga	not useful for modders but a must read for those interested in the half-life Universe
Type 3 studios	Source Engine mapping and tutorials
Half-Life Arrangement	Few small tutorials for Source
TenFour	Once a great review site.
Weapons of Vampire the Masquerade: Bloodlines	Weapons of Vampire the Masquerade: Bloodlines
Leakfree	Some useful tutorials on mapping with Source
Weapons of Left 4 Dead	Weapons of Left 4 Dead
Official twitter for L4D	Official twitter for L4D
/r/SourceMods	/r/SourceMods
HLFX	Active Russian Modding Community
Chaincraft	Olden goldie here with some very useful modding tips on goldsrc
hlds_announce	Official mailing for Half-Life Dedicated Server Announce
Vossey	Active French Modding Community
Halfwit 2	HL2 mapping and tutorials, general information
Arbitrary Imposition	Site dedicated to the Gman and his sightings
half-life.ru	Active Russian Modding Community
nashalife	Russian Modding site for Half-Life
pcosmos.ca	Collection of Half-Life and Opposing Force Mods
Half-Life Editing Resource	Similar to VERC, decent collection of tutorials here as well as downloads
Planet Half-Life	Once one of the greatest sources for everything HL2, is now shutdown with Gamespys closure
Half-Life HQ	Once a very busy site for Half-Life
csgo_servers	Official mailing for CS:GO Servers
HL2Spain	Spanish site covering everything Source
Half-Life Wiki	Another great wiki covering Half-Life
Half-Life Physics Reference	The Half-Life Physics Reference is a wonderful site with un-official documentation on the GoldSrc Engine.
Half-Life 2: Episode 2	The Official Half-Life 2: Episode 2 Website
/r/DotA2	/r/DotA2
Weapons of Black Mesa	Weapons of Black Mesa
Half-Life Coding	one of the best original resources for Half-Life Coding
Weapons of Team Fortress 2	Weapons of Team Fortress 2
Netday	Map hosting site including but not limited to Valve Games
Resource Code	Old site with large collection of coding tutorials written in German
No Draw	Great Blog detailing concepts when it comes to TF2 map creation
100 Half-Life 1 Mods	100 of Half-Life 1's best Mods hand picked by Andrej Mernik
Gaming-Models.de	Download free models for use in your mods
Botmans Bots	Decent starting point for modding the SDK
Counter Strike Wiki	Encyclopedia of Counter Strike
Steamcast	Great collection of Podcasts on everything VALVe
Weapons of Half-Life 2	Weapons of Half-Life 2
Mapping Base	Great German community for Mapping resources.
MaxofS2D	Gifted movie maker and modeler who worked extensively with Source...
Half-Life Beginners guide	Decent attempt to make it easier for newbs to come to grips with the SDK
Game Banana	One of the original game modding websites (previously known as FPS Banana)
Steampowered Forums	The Original Official Steam Forums
Action Half-Life	Useful maps and Tutorials (use the wayback machine to navigate)
Counter Server Maps	Another unfortunately dead resource that supplied plenty of downloads and tutorials
Weapons of Counter-Strike	Weapons of Counter-Strike
Contaminated	Defacto place for everything half-life around its release. Closed only to re-open as Planet Half-life.
HLDS 101	Cool resource explaining how to use the Half-Life Dedicated Server
Gamedesign.net Prefabs	hosted multitudes of prefabs for half-life
KV File Generator	Online tool that automatically generates a formatted .kv file based on your selection for CS:GO
headcrab.pl	Polish community dedicated to Half-Life
gamewag	Links to plenty of mapping and modding tutorials based on Source
Design 3 (Noesis)	Big collection of high quality Source engine tutorials (paid)
ModMatic	Mod review site from the developer of Minerva
Weapons of Counter-Strike: Condition Zero	Weapons of Counter-Strike: Condition Zero
Level Design Theory	Blog documenting single player map creation for Half-Life 2 and other Source Games
Official mailing lists	Ask questions related to mapping, coding and steam services through each mailing list, view the archives as well!
Valve Developer Union	the Valve Developer Union’s goal is to preserve the toolset and knowledge for modding Quake-based games, including games built off Valve Corporation’s GoldSrc and Source engines.
Official twitter for DOTA2	Official twitter for DOTA2
Handy Vandal	Decent oldschool resource for half-life modding
Planet Fortress	Team Fortress Based fan site
Halflife2.filefront	Huge collection of downloads for Half Life and Source
Amphibian Mods	Another great resource for modding, unfortunately lost in Valvetime
Half-Life Comic	Comical take on the Half-Life Universe
Half-Life 2: Episode 1	The Official Half-Life 2: Episode 1 Website
The Wall	German Mapping community with a wealth of Tutorials
Half-Life Fallout	One of the better communities for Half-life content
HL Spain	Spanish blog covering Half-Life 1 Mods
The Razzer Tutorials	Tutorials for Source mapping (Deutsch)
Weapons of Half-Life	Weapons of Half-Life
HL2 Mods.ru	A Russian Mod Review site for Source Games
When its done	Some tutorials on HL1 development
Half Life Zone	Small site for Half life related content
Half-Life Programming Planet	plenty of good old tutorials here for Half-Life
VERC	VERC Collective (Valve Editing Resource Center) website no longer exists but can be traversed on the wayback machine, Predecessor to VDC
The Weapons Workshop	provided downloads to Hl Models.
Half Life Machinima Wiki	Encyclopedia of Half Life Machinima
Nems Tools	Extremely useful tools for Source modding
tophattwaffle	Excellent tutorials on Source mapping
Editing Archive	The Archive serves as a gathering point for people interested in games and game development. The Archive has various features to help unite the community, and bring them together.
hl2world	No longer exists but was once the defacto source of tutorials for HL2 Modding
Team Fortress Wiki	Encyclopedia of Team Fortress
nextwish	Old site with useful info on modding for GoldSrc
Half-Life 2	The Official Half-Life 2 Website
HL2DB	Another lost site that had some promise back in the day.
Valvetime	Great source of news on everything Valve related.
Mapeadores	Spanish modding Tutorials
Weapons of Left 4 Dead 2	Weapons of Left 4 Dead 2
Half-Life Mods Wiki	Encyclopedia of Half-Life Mods
isolated-design.de	A good resource for GoldSrc modding tutorials
Sourcedc	Had some decent Mapping tutorials, Worth a look.
A Working Pig	Half-Life 2 Deathmatch maps and utilities
Jinx's Maps	Great little site with some good tutorials and resources on Half-life
Team Fortress 2	The Official Team Fortress Website
/r/steam	/r/steam
/r/Halflife	/r/Halflife
/r/L4D2	/r/L4D2
Counter Strike: Global Offensive, Counter Strike: Source	The Official Counter-Strike Website
3rdLife	very hard to crawl but was once a great tutorial resource
Mach III	Decent site from the old days covering Half-Life
Weapons of Insurgency 2	Weapons of Insurgency 2
Half-Life 2 Mods	A collection of all known mods for HL2
/r/Portal2	/r/Portal2
dying2kill	Australian & NewZealand based Gaming Community
HL Collection	Russian Mod hosting site dedicated to Half-Life
SDK Nuts	One of the older HL2 modding websites
Map Core	Legendary Half-life Based Mapping Resource with a Vibrant community
Source Runs	Source runs is a great site documenting and supporting community members who attempt record breaking speed runs through GoldSrc and Source Engine games.
SFMLab	Download free models for use in your Source Filmmaker shorts
Wunderboy	Very useful Tools and Tutorials for Source Modding
Plague Fest	Great mapping and modding community
/r/SourceEngineTest/	/r/SourceEngineTest
Alien Swarm Wiki	Encyclopedia of Alien Swarm
Garrys Blog	From the creator of Garrys mod comes Garrys Blog...
The 303	Tutorials for Source
/r/CounterStrike	/r/CounterStrike
Counter-Script	The #1 Counter-Strike Scripting Site... now gone :/
/r/TF2	/r/TF2
Phineas Bot	Bots for Half-Life and tutorials
World of Level Design	Tutorials on Mapping for many platforms
HalfLife Control Unit	Great web resource for Half-Life
Vanilla Capsule	decent pipe tutorial for Hammer
Moddb	Huge Database of Mods, tools and tutorials, thriving community and useful rating system
Half-Life SDK2 Resources	Good site for getting up and running with the old SDK
Facepunch	Great website with plenty of tutorials many of which focus on Garrys mod but none the less a very useful website
scmapdb	Tutorials for Sven Co-op
hlcoders	Official mailing for Half-Life Coders
hlds	Official mailing for Half-Life Dedicated Servers
Mr Funeral Mods	Talented Source Modder with good quality Tutorials
HL2DM University	Half-Life 2 Deathmatch based community resource.
EditLife	One of the older sites dedicated to mapping and resources. No longer live
Left 4 Dead Wiki	Encyclopedia of Left 4 Dead
Half Life Express	Old site for news on Half-Life
3kliksphilip	Talented CSS and CS:GO Mapper with a wealth of Tutorials
TWHL	Source, GoldSrc tutorials, active forums, friendly community
VDC	The Valve Developer Community is the official Source SDK Documentation
Grinder74	Another Polish community dedicated to Half-Life
/r/sourceengine	/r/sourceengine
GoldSrc Gold	Exhibiting and preserving the great look and feel of Goldsource engine games & mods from days gone bye.
Left 4 Dead 2	The Official Left 4 Dead 2 Website
/r/SFM	/r/SFM
NerdChow	Coding tutorial for Half-Life
Half-Life Fusion	French site dedicated to Half-Life
/r/Hammer	/r/Hammer
Texture Studio	Old texture resource for Half-Life, contains some tutorials
Half-life Coding Index	Old site indexing the coding tutorials available for half-life
Run Think Shoot Live	A great community website for all things valve related. Focused on mods, tutorials and the expression of the community. Previously known as Planet Phillip.
Steam Review	Site covering interesting facts about Steam
hl.loess	Very useful list of mods for Half Life
Wavelength	Source, GoldSrc tutorials, inactive forums, mostly defunct, use the wayback machine to get some missing pages
Garry's Mod Wiki	Wiki with useful information for developers and gamers playing with Garry's Mod
Half-Life Creations	Useful Community for modding tutorials
Radium	Old Map rating and review site
metrocop	Comics from Source engines games, specifically Garrys Mod.
Weapons of Day of Defeat: Source	Weapons of Day of Defeat: Source
Wallworm	Modeling tools for Max
/r/Portal	/r/Portal
Half-Life: Alyx	The Official Half-Life: Alyx Website
69th Vlatitude	Good oldschool tuts and resources can be found here
Weapons of Source Film Maker	Weapons of Source Film Maker
Alien Swarm:Single Player Blog	Great Blog based on the Single player conversion mod for Alien Swarm
Official twitter for TF2	Official twitter for TF2
Official twitter for CS:GO	Official twitter for CS:GO
Mortal Dev	Great website with links to useful resources
Half-Life.org	Some interesting articles to read here
The Mighty Atom	Great little selection of some of the harder to find resources on Half-life
Game Edit	Few small tutorials on HL1 mapping
Weapons of Insurgency	Weapons of Insurgency
/r/csworkshop	/r/csworkshop
Half-Life Library	This site focuses more on user generated content like custom maps, modifications, videos, models, clans and more for all of Valve's games.
HL2 Coding	Programming Tutorials for HL2
/r/AskMappers	/r/AskMappers
Half-Life Museum	A good break down of Half-Life and Half-Life 2, unfortunately it is no longer live.
Thinking with Portals	The Official Portal Website
Black Mesa	Black Mesa is a re-envisioning of Valve Software's classic science fiction first person shooter, Half-Life. Powered by Source Engine, You will re-visit the inaugural role of Gordon Freeman and his memorable journey through the Black Mesa Research Facility.
valvenews	Old site for news on Half-Life
Where is Gordon Freeman	This website is a timeline documenting the range of fascinating events that have happened between Gordon Freeman’s most recent appearance in 2007 and his yet-to-be-announced next appearance in the franchise.
Podcast 17	Another great collection of podcasts on anything steam, valve or source related
Petes Place	Old coding tutorials
The Wadfather	Contains some useful links to tutorials
SourceWiki	Once had some good coding tutorials and offered help, unfortunately lost.
Dota Wiki	Encyclopedia of Dota
CS:Velocity	Once another vibrant community from the Counter Strike golden days
Interlopers	HL2 News, Tutorials and forum with a thriving community
The Fixxxer	Good collection of coding tutorials here
Weapons of Firearms: Source	Weapons of Firearms: Source
ammahls	Tutorials for Sven Co-op
HalfLife.net	Another Half-Life website from back in the day
Day of Defeat Wiki	Encyclopedia of Day of Defeat
/r/csmapmakers	/r/csmapmakers
EGIR.DK	Provided a vibrant forum and tutorial collection back in the day
/r/valve	/r/valve
HL Improvement	Thriving Modding Community
The Orange Box	The Official Orange Box Website
Ask Yahn	Questions put to Valve Employee Yahn Bernier
Weapons of Counter-Strike Online	Weapons of Counter-Strike Online
Half-Life DeathMatch Guide	Guides for succeeding in HL1DM
hl2modcentral	A site that had a wealth of useful tutorials but unfortunately lost.
Counter Map	Useful maps and Tutorials for CS 1.6 and CS:S
Half-Life Wiki	Encyclopedia of Half-Life
Left 4 Dead	The Official Left 4 Dead Website
SteamDB	Records all changes to steams games and products
CITY17.RU	Another unfortunate victim of disregard, CITY17.ru was a great site dedicated to everything Half-life.
Modding Area	Great French community for Modding resources.
Half-Life Portal	German site covering Valves games
Weapons of Counter-Strike: Source	Weapons of Counter-Strike: Source
Ceskemody	Czech Modding site with both GoldSrc and Source Content
Persistence of Vision	Tutorials on creating movies in half-life
/r/Sourceengine2	/r/Sourceengine2
Mods Inside	Russian Mod community providing forums, files and reviews.
LambdaGeneration	A great community fan website for all things Valve related with a primary focus on that which is Half life. Gives great exposure for new mods.
WorldCraft Online	Tool for creating Hammer maps from a 2D perspective

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