Alternatives and similar repositories for source-2003

Users that are interested in source-2003 are comparing it to the libraries listed below

• Source-SDK-Resources / source-sdk-vs2022
  Source 2013 for VS2022
  ☆48Updated last year
• Source-SDK-Archives / source-sdk-2004
  Original HL2 Source SDK from 2004
  ☆54Updated 4 years ago
• dyanikoglu / source-sdk-bullet-physics
  Bullet Physics Injection for Source SDK 2013
  ☆47Updated 4 years ago
• SmileyAG / cstrike15_src-CI
  Leaked CS:GO source code with CI integration
  ☆41Updated 2 years ago
• quiverteam / Engine
  Modified Version of Source 2007
  ☆117Updated 4 years ago
• cstom4994 / SourceEngineRebuild
  Another Source Engine Modified Version with some new features.
  ☆37Updated 3 years ago
• tmp64 / hl1_source_sdk
  Source SDK for Half-Life 1 (GoldSource)
  ☆37Updated 2 months ago
• Clepoy3 / LeakNet
  A patch for leaked Half-Life 2 beta from 2003.
  ☆29Updated 6 years ago
• EpicSentry / P2ASW
  The Portal 2 In Alien Swarm Engine project repository
  ☆56Updated 11 months ago
• Source-Authors / Obsoletium
  Obsolete Source 1 Engine On Modern PC
  ☆39Updated last week
• nillerusr / source-physics
  ☆53Updated last year
• EnderZip / source2017engine
  TF2's engine ported to SDK2013MP
  ☆13Updated 3 years ago
• misyltoad / mini-source-sdk
  A minified version of Source SDK with support for VS 2022
  ☆44Updated last year
• misyltoad / VAudio-MiniMP3
  Replacement MP3 playback module for the Source Engine
  ☆50Updated last year
• SCell555 / ShaderCompile
  Standalone shadercompile, that doesn't depend on valve libraries and supports x64
  ☆59Updated last year
• SourceSDK2013Ports / csgo-src
  April 22nd, 2020 leak but better
  ☆93Updated 2 years ago
• Source-SDK-Archives / source-sdk-2006-ep1
  Source SDK 2006 for HL2: Episode 1
  ☆24Updated 4 years ago
• Biohazard90 / g-string_2013
  Repository for the Source engine modification G String
  ☆36Updated 5 years ago
• Source-SDK-Resources / source-2013-imgui
  Imgui implementation for Source 2013
  ☆25Updated 2 months ago
• momentum-mod / shaderapivulkan
  Pipedream project aimed at adding Vulkan support to the Source 1 engine.
  ☆14Updated 7 years ago
• craftablescience / sourcepp
  Several modern C++20 libraries for sanely parsing Valve's formats
  ☆79Updated this week
• untodesu / refraction
  A Source Engine 2013 SP mod aimed to provide bug fixes and various development features
  ☆33Updated 3 years ago
• SanyaSho / source-sdk-2022
  ☆11Updated 2 years ago
• Spirrwell / source-sdk-2013-cmake
  ☆22Updated 6 months ago
• GEEKiDoS / source-hdrbloom
  Ported HDR Bloom(MagicBloom.fx by luluco250)(requires mat_hdr_level 3)
  ☆19Updated 5 years ago
• Planimeter / hl2sb-src
  Source code to Half-Life 2: Sandbox - A free and open-source sandbox Source engine modification.
  ☆58Updated 10 months ago
• TheOverfloater / pathos-public
  Public release of Pathos Engine
  ☆50Updated last week
• EpicSentry / HL2-CSGO
  An attempt to port Half-Life 2 to the cstrike15_src leak
  ☆24Updated last year
• nillerusr / source-thirdparty
  ☆15Updated 2 years ago
• ENDERZOMBI102 / Aurora-Source
  Aurorians's custom version of the Source SDK 2013
  ☆28Updated last month