Alternatives and similar repositories for halflife

Users that are interested in halflife are comparing it to the libraries listed below

• CoaXioN-Games / coplay
  An implementation to use Steam Networking Sockets in the Source SDK
  ☆32Updated 3 months ago
• leonill007 / vgui.css
  CSS Classic Green UI Skin from Goldsource games and the early Steam design and Grey UI Skin from Source games
  ☆41Updated last year
• misyltoad / VAudio-MiniMP3
  Replacement MP3 playback module for the Source Engine
  ☆47Updated 9 months ago
• IntriguingTiles / HLFixes
  Fixing bugs in GoldSrc
  ☆27Updated last month
• StrataSource / vtex2
  A VTF converter and editor
  ☆62Updated 2 months ago
• ENDERZOMBI102 / Aurora-Source
  Aurorians's custom version of the Source SDK 2013
  ☆26Updated 2 weeks ago
• wootguy / SevenKewp
  Half-Life Co-op mod
  ☆25Updated this week
• Source-SDK-Archives / source-sdk-2004
  Original HL2 Source SDK from 2004
  ☆53Updated 4 years ago
• twhl-community / HalfLife.UnifiedSdk.MapDecompiler
  Cross-platform Half-Life 1 map decompiler
  ☆76Updated last year
• TF2V / TF2Vintage
  The repository to the Sourcemod Team Fortress 2: Vintage, a community created museum and recreation of the early period of TF2.
  ☆27Updated last month
• EpicSentry / P2ASW
  The Portal 2 In Alien Swarm Engine project repository
  ☆52Updated 8 months ago
• sapphonie / sdk13-gigalib
  library for sdk2013 mods to use if they so choose
  ☆21Updated 3 months ago
• FreeSlave / halflife-featureful
  Half-Life SDK for making mods upon it
  ☆43Updated this week
• URAKOLOUY5 / portal2-sdk13
  Portal 2 assets converted to use in Source SDK 2013
  ☆23Updated last year
• DirectorsCutMod / DirectorsCut
  A community-driven filmmaking tool built on Source. Currently re-organizing!
  ☆64Updated 2 weeks ago
• theKlaxon / emulsion-sdk
  A full SDK for the Portal 2 branch of Source Engine
  ☆16Updated 8 months ago
• rtbr-opensource / rtbr-open-source
  The open source edition of Raising the Bar: Redux.
  ☆43Updated 2 weeks ago
• Source-SDK-Archives / source-sdk-orangebox
  Source SDK, Orangebox edition
  ☆16Updated 4 years ago
• pwitvoet / wadmaker
  Command-line tools for making/extracting Half-Life textures and sprites
  ☆46Updated 3 months ago
• supadupaplex / ps2-hl-tools
  Tools for Playstation 2 Half-Life port
  ☆38Updated 3 years ago
• nooodles-ahh / video_services
  A WIP drop-in replacement for Source SDK 2013's video services that plays webms
  ☆31Updated 7 months ago
• QtPyHammer-devs / QtPyHammer
  python alternative to Valve's "Hammer World Editor"
  ☆39Updated 11 months ago
• Valla-Chan / portal-elc-content
  assets, maps, etc for Portal: Every Last Crumb (ELC). Every Last Crumb was a mod that intended to redo all the original Portal 1 maps an…
  ☆10Updated last year
• SourceEnginePlayground / Hyperborea
  ☆25Updated 7 years ago
• Spirrwell / source-sdk-2013-cmake
  ☆21Updated 3 months ago
• misyltoad / HL2-GamepadUI
  Source code for GamepadUI for Half-Life 2 and friends.
  ☆123Updated 10 months ago
• Source-SDK-Resources / source-sdk-gameui
  Swarm's GameUI on SDK 2013 MP
  ☆15Updated last year
• anchurcn / HL1RagdollMod-goldsrc
  Tested in goldsrc8684
  ☆17Updated 3 years ago
• Petercov / Source-PlusPlus
  ☆29Updated 4 years ago
• Trico-Everfire / VTF_Edit_Revitalized
  VTF Edit Revitalized is a modern recreation of VTF Edit. Multi-Platform and rewritten in QT.
  ☆18Updated 2 months ago