Alternatives and similar repositories for Quake-2

Users that are interested in Quake-2 are comparing it to the libraries listed below

• id-Software / Quake
  Quake GPL Source Release
  ☆5,630Updated last year
• id-Software / DOOM-3-BFG
  Doom 3 BFG Edition
  ☆5,266Updated last year
• id-Software / DOOM-3
  Doom 3 GPL source release
  ☆3,475Updated 10 years ago
• id-Software / wolf3d
  The original open source release of Wolfenstein 3D
  ☆2,446Updated 14 years ago
• id-Software / Quake-III-Arena
  Quake III Arena GPL Source Release
  ☆7,860Updated last year
• ioquake / ioq3
  The ioquake3 community effort to continue supporting/developing id's Quake III Arena
  ☆2,681Updated last week
• ValveSoftware / halflife
  Half-Life 1 engine based games
  ☆4,254Updated last year
• id-Software / RTCW-SP
  Return to Castle Wolfenstein Single Player GPL Source Release
  ☆608Updated 4 years ago
• id-Software / Quake-Tools
  The source release of the Quake tools and utilities
  ☆496Updated 14 years ago
• chocolate-doom / chocolate-doom
  Chocolate Doom is a Doom source port that is minimalist and historically accurate.
  ☆2,257Updated 2 weeks ago
• id-Software / wolf3d-browser
  WOLF3D Browser Version GPL source release
  ☆633Updated 12 years ago
• id-Software / Enemy-Territory
  Wolfenstein: Enemy Territory GPL Source Release
  ☆599Updated 14 years ago
• Novum / vkQuake
  Vulkan Quake port based on QuakeSpasm
  ☆2,133Updated this week
• RobertBeckebans / RBDOOM-3-BFG
  Doom 3 BFG Edition source port with updated DX12 / Vulkan renderer and modern game engine features
  ☆1,742Updated last month
• id-Software / quake2-rerelease-dll
  ☆2,208Updated 2 years ago
• kondrak / vkQuake2
  id Software's Quake 2 v3.21 with mission packs and Vulkan support (Windows, Linux, macOS, FreeBSD, Raspberry Pi 4)
  ☆977Updated last year
• FrictionalGames / HPL1Engine
  A real time 3D engine.
  ☆756Updated 2 years ago
• id-Software / Quake-2-Tools
  Quake 2 Tools GPL Source Release
  ☆329Updated 2 years ago
• dhewm / dhewm3
  dhewm 3 main repository
  ☆2,034Updated last week
• id-Software / RTCW-MP
  Return to Castle Wolfenstein Multiplayer GPL Source Release
  ☆364Updated 14 years ago
• FrictionalGames / AmnesiaAMachineForPigs
  ☆1,438Updated 2 years ago
• NVIDIA / Q2RTX
  NVIDIA’s implementation of RTX ray-tracing in Quake II
  ☆1,302Updated last month
• TTimo / doom3.gpl
  Doom 3 GPL source release
  ☆4,617Updated 3 years ago
• Croteam-official / Serious-Engine
  An open source version of a game engine developed by Croteam for the classic Serious Sam games.
  ☆3,130Updated 5 years ago
• id-Software / idsetup
  This is the source for the setup program included with DOOM, Final DOOM, Strife, etc.
  ☆299Updated 2 years ago
• amroibrahim / DIYDoom
  An attempt to understand how DOOM engine works
  ☆678Updated 3 years ago
• FrictionalGames / PenumbraOverture
  Penumbra: Overture is a first person horror game, using the HPL1 Engine.
  ☆556Updated 8 years ago
• fabiensanglard / gebbdoom
  Game Engine Black Book: Doom
  ☆761Updated 2 months ago
• DustinHLand / vkDOOM3
  Vulkan DOOM 3 port based on DOOM 3 BFG Edition
  ☆904Updated 2 years ago
• id-Software / GtkRadiant
  GtkRadiant GPL Source Release
  ☆270Updated 14 years ago