Alternatives and similar repositories for OpenSource:

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

• w23 / xash3d-fwgs
  Vulkan Ray Tracing fork of Xash3D FWGS engine. Intended to be merged into master at some point in the future.
  ☆178Updated 2 weeks ago
• SNMetamorph / PrimeXT
  Modern Half-Life 1 SDK for Xash3D FWGS engine, has enhanced graphics and physics and a lot of new features for mod-makers. Crossplatform,…
  ☆120Updated last week
• misyltoad / HL2-GamepadUI
  Source code for GamepadUI for Half-Life 2 and friends.
  ☆122Updated 9 months ago
• Silverlan / pragma
  Repository for the pragma game engine.
  ☆180Updated this week
• FWGS / hlsdk-portable
  Portable Half-Life SDK. GoldSource and Xash3D. Crossplatform.
  ☆299Updated this week
• FWGS / mainui_cpp
  Main menu UI toolkit for Xash3D FWGS engine
  ☆39Updated 2 weeks ago
• untodesu / refraction
  A Source Engine 2013 SP mod aimed to provide bug fixes and various development features
  ☆29Updated 3 years ago
• YaLTeR / OpenAG
  An open-source reimplementation of Adrenaline Gamer's client library.
  ☆139Updated 4 months ago
• thexa4 / source-pbr
  Source Engine Physically Based Rendering implementation
  ☆130Updated 2 years ago
• quiverteam / Engine
  Modified Version of Source 2007
  ☆112Updated 4 years ago
• mikejsavage / cocainediesel
  OFFICIAL COCAINE DIESEL REPOSITORY
  ☆86Updated this week
• twhl-community / halflife-unified-sdk
  Half-Life Updated SDK with Opposing Force and Blue Shift merged in, along with other improvements. Check README.md for more information.
  ☆152Updated 2 months ago
• danakt / web-hlmv
  WebGL implementation of the Half-Life Model Viewer
  ☆110Updated 2 years ago
• headcrab-junkyard / OGS
  An open-source GoldSrc engine clone (Clean authentic reimplementation without using reverse-engineered code)
  ☆127Updated 6 months ago
• LogicAndTrick / sledge
  An open source alternative to Valve's Hammer Editor for the Goldsource engine. (No longer in development)
  ☆301Updated 5 years ago
• fte-team / fteqw
  This is the official GitHub mirror for the FTEQW project.
  ☆213Updated last month
• OpenXRay / xray
  X-Ray Engine 1.0 expansion. Original version was used in S.T.A.L.K.E.R.: Shadow of Chernobyl.
  ☆101Updated 4 years ago
• SamVanheer / HalfLifeAssetManager
  Half-Life Asset Manager, a tool to view and edit Half-Life 1 models
  ☆246Updated 11 months ago
• rein4ce / hlbsp
  Half-Life WebGL level and model viewer
  ☆96Updated 4 years ago
• Biohazard90 / source-shader-editor
  Shader Editor for the Source Engine
  ☆53Updated 8 years ago
• misyltoad / mini-source-sdk
  A minified version of Source SDK with support for VS 2022
  ☆42Updated last year
• skyrim / hlviewer.js
  Half-Life in WebGL
  ☆156Updated last month
• shawns-valve / halflife
  Half-Life 1 engine based games
  ☆54Updated 6 months ago
• malortie / halflife
  Half-Life 1 engine based games
  ☆34Updated 3 years ago
• Source-SDK-Archives / source-sdk-2004
  Original HL2 Source SDK from 2004
  ☆52Updated 4 years ago
• snake-biscuits / bsp_tool
  Python library for analysing .bsp files
  ☆112Updated 3 weeks ago
• martinwebrant / agmod
  Adrenaline Gamer Half-Life Mod
  ☆44Updated 8 years ago
• Galaco / Lambda
  A custom Source Engine level editor written in Go
  ☆40Updated last month
• mapbase-source / source-sdk-2013
  This is Mapbase's public GitHub repo. It contains all of the code, but not the assets.
  ☆248Updated last month
• eukara / freehl
  Clean-room reimplementation of Half-Life: Deathmatch and Half-Life (Experimental) in QuakeC.
  ☆261Updated 5 months ago