Alternatives and similar repositories for HL2IM

Users that are interested in HL2IM are comparing it to the libraries listed below

• noire-dev / sourcetech
  SourceTech engine.
  ☆34Updated last week
• suXinjke / HalfPayne
  ☆44Updated 9 months ago
• hoaxer / Half-Life-Decay
  Half-Life Decay PC project, coordinated by me back in 2008
  ☆34Updated 3 years ago
• adolfintel / ChadQuake
  Fork of Mark V WinQuake
  ☆35Updated last year
• wootguy / SevenKewp
  Half-Life Co-op mod
  ☆33Updated this week
• Magic-Nipples / Duake
  ☆48Updated last year
• eukara / freegunman
  Clean-room reimplementation of Gunman Chronicles in QuakeC.
  ☆23Updated last year
• SeriousAlexej / Serious-Engine
  An open source version of a game engine developed by Croteam for the classic Serious Sam games.
  ☆18Updated 2 years ago
• FreeSlave / vhlt
  Vluzacn's custom build of Zoner's Half Life Tools (ZHLT)
  ☆19Updated 4 years ago
• supadupaplex / ps2-hl-tools
  Tools for Playstation 2 Half-Life port
  ☆43Updated 3 years ago
• RWS-Studios / POSTAL-SourceCode
  Official repository for the original POSTAL source code.
  ☆82Updated 5 months ago
• IgeNiaI / Q-Zandronum
  A Zandronum 3.0 fork with improved netcode, configurable movement and many small tweaks
  ☆92Updated last month
• TorrSamaho / zandronum
  A continuation of Skulltag - git mirror of https://foss.heptapod.net/zandronum/zandronum-stable
  ☆39Updated 2 weeks ago
• Q3Rally-Team / q3rally
  Open-source survival racing game on the ioquake3 engine.
  ☆59Updated this week
• wootguy / ClassicModeDeluxe
  Sven Co-op plugin
  ☆10Updated 4 months ago
• FreeSlave / halflife-featureful
  Half-Life SDK for making mods upon it
  ☆51Updated last week
• malortie / halflife
  Half-Life 1 engine based games
  ☆34Updated 3 years ago
• twhl-community / dmc-updated
  Deathmatch Classic projects updated to compile with VS2019. No further development and support will be provided. See this page for more …
  ☆11Updated 3 years ago
• eukara / freetfc
  Clean-room reimplementation of Team Fortress Classic in QuakeC.
  ☆26Updated last year
• Velaron / tf15-client
  Team Fortress Classic reverse-engineered.
  ☆87Updated 3 months ago
• shawns-valve / halflife
  Half-Life 1 engine based games
  ☆52Updated last year
• greg-kennedy / YesWADTextures
  Reduce the size of GoldSrc (Half-Life, etc) .BSP files by eliminating embedded textures that already exist in .WAD files.
  ☆16Updated 2 years ago
• MotoLegacy / OpenFNaF
  An Open Source Re-implementation of Scott Cawthon's Five Nights at Freddy's. Written in C. Licensed under MIT. (WiP)
  ☆66Updated 4 years ago
• joshuaskelly / hrot-cli-tools
  Command line tools for modding and creating HROT content.
  ☆16Updated 5 years ago
• j0zzz / JoeQuake
  Quake engine mod targeted for speedrunning
  ☆73Updated last month
• 3dfxdev / EDGE
  EDGE Source Code
  ☆80Updated 3 years ago
• kungfulon / xash3d-fwgs
  Xash3D FWGS engine. Rebooted fork since big Xash3D 0.99(1.0 is not yet) update.
  ☆18Updated 3 years ago
• LostGamerHL / BHL
  It's source code Of brutal Half-Life(Modification on Half-Life 1).
  ☆20Updated 8 years ago
• Triang3l / BS2PC
  Half-Life PlayStation 2 map converter
  ☆41Updated 3 years ago
• solidi / hl-mods
  Modifications for Half-Life on GoldSrc. Includes active development of Cold Ice Remastered.
  ☆17Updated this week