Alternatives and similar repositories for halflife

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

• FWGS / nanogl
  OpenGL 1.x to OpenGL ES 1.x wrapper (extracted from Quake 2 port)
  ☆45Updated 2 months ago
• a1batross / Xash3D_original
  Original Xash3D engine.
  ☆21Updated 6 years ago
• TTimo / bspc
  Quake 3 BSP-to-AAS compiler
  ☆32Updated 2 years ago
• miohtama / aliens-vs-predator
  Aliens vs. Predator Gold source code
  ☆36Updated 13 years ago
• Panzerschrek / Q2PR
  Quake II Software renderer by "panzerschrek"
  ☆16Updated 8 years ago
• stephank / surreal
  Reviving the original Unreal Tournament on modern systems.
  ☆87Updated 13 years ago
• vayerx / shadowgrounds
  Shadowgrounds and Shadowgrounds Survivor games
  ☆53Updated last year
• iodoom / iod3
  iodoom3 - Open source, cross platform Doom 3 (GPLv3)
  ☆107Updated 2 years ago
• TTimo / RBDOOM-3-BFG
  Doom 3 BFG Edition with cleaned up source, Linux and 64 bit Support
  ☆16Updated 11 years ago
• ioquake / jedi-outcast
  ☆53Updated 7 years ago
• videogamepreservation / theoperative
  The Operative: No One Lives Forever (2000) by Monolith Productions, Inc.
  ☆24Updated 10 years ago
• philipbuuck / Quake-2-VS2013
  Building Quake 2 using Visual Studio 2013
  ☆29Updated last year
• omcfadde / dante
  idTech4 OpenGL ES2.0 | #dante (irc.freenode.net)
  ☆112Updated 12 years ago
• RobertBeckebans / RBDOOM-3-BFG_mod_unittests
  RBDOOM-3-BFG assets pack with custom maps for testing engine features like PBR
  ☆20Updated last month
• svkaiser / TurokEX
  ☆47Updated 11 years ago
• ioquake / jedi-academy
  ☆53Updated 12 years ago
• jmarshall23 / PreyDoom
  ☆20Updated 4 years ago
• capnramses / opengl_test_drive_clone
  OpenGL remake of CGA Test Drive
  ☆16Updated 10 years ago
• videogamepreservation / blood2
  Blood II: The Chosen (1998) by Monolith Productions, Inc.
  ☆56Updated 10 years ago
• raynorpat / Doom3
  Doom 3 for projects...
  ☆15Updated 9 years ago
• OpenTechEngine / OpenTechBFG
  Engine based on (RB) Doom 3 BFG aiming to allow the creation of standalone games
  ☆87Updated 4 years ago
• Sporesirius / fakk2
  Heavy Metal: F.A.K.K. 2 - Tools & Source Code
  ☆55Updated 5 years ago
• gildor2 / Quake2
  Quake 2 modification with new renderer and many other unique features.
  ☆48Updated 6 years ago
• clover-moe / mint-arena
  Spearmint Quake 3 and Team Arena game code.
  ☆40Updated 3 weeks ago
• xonotic / netradiant
  Mirror of https://gitlab.com/xonotic/netradiant - The open source, cross platform level editor for idtech games (GtkRadiant fork)
  ☆27Updated 2 weeks ago
• TermiT / duke3d-megaton
  Duke Nukem 3D Megaton Edition
  ☆37Updated 9 years ago
• ForsakenX / forsaken
  Forsaken game engine
  ☆164Updated this week
• ReactionQuake3 / reaction
  Reaction was originally called Reaction Quake 3 which was a total conversion mod for Quake III Arena based on action and realism with a s…
  ☆35Updated last year
• Katana-Steel / lithtech
  ☆81Updated last year
• bnoordhuis / bspc
  Quake 3 BSP-to-AAS compiler
  ☆30Updated 4 years ago