Alternatives and similar repositories for ioq3:

Users that are interested in ioq3 are comparing it to the libraries listed below

• yquake2 / yquake2
  The Yamagi Quake II client
  ☆887Updated last week
• ec- / Quake3e
  Improved Quake III Arena engine
  ☆1,283Updated last week
• RobertBeckebans / RBDOOM-3-BFG
  Doom 3 BFG Edition source port with updated DX12 / Vulkan renderer and modern game engine features
  ☆1,542Updated this week
• dhewm / dhewm3
  dhewm 3 main repository
  ☆1,871Updated this week
• id-Software / Quake-III-Arena
  Quake III Arena GPL Source Release
  ☆7,314Updated 7 months ago
• id-Software / Quake-2
  Quake 2 GPL Source Release
  ☆2,916Updated last year
• Novum / vkQuake
  Vulkan Quake port based on QuakeSpasm
  ☆1,948Updated this week
• freedoom / freedoom
  Freedoom is an entirely free software game based on the Doom engine.
  ☆1,129Updated last month
• falltergeist / falltergeist
  Opensource crossplatform Fallout 2™ game engine writen in C++ and SDL.
  ☆878Updated 2 years ago
• ZDoom / gzdoom
  GZDoom is a feature centric port for all Doom engine games, based on ZDoom, adding an OpenGL renderer and powerful scripting capabilities
  ☆2,712Updated this week
• chocolate-doom / chocolate-doom
  Chocolate Doom is a Doom source port that is minimalist and historically accurate.
  ☆2,040Updated 2 months ago
• id-Software / DOOM-3-BFG
  Doom 3 BFG Edition
  ☆5,064Updated 7 months ago
• sirjuddington / SLADE
  It's a Doom editor
  ☆737Updated this week
• arx / ArxLibertatis
  Cross-platform port of Arx Fatalis, a first-person role-playing game
  ☆991Updated 7 months ago
• TTimo / GtkRadiant
  The open source, cross platform level editor for idtech games
  ☆607Updated 7 months ago
• iortcw / iortcw
  Merge of ioquake3 features and fixes into RTCW code bases
  ☆643Updated 9 months ago
• id-Software / Quake
  Quake GPL Source Release
  ☆5,166Updated 9 months ago
• id-Software / DOOM-3
  Doom 3 GPL source release
  ☆3,264Updated 9 years ago
• kondrak / vkQuake2
  id Software's Quake 2 v3.21 with mission packs and Vulkan support (Windows, Linux, macOS, FreeBSD, Raspberry Pi 4)
  ☆931Updated 2 months ago
• NVIDIA / Q2RTX
  NVIDIA’s implementation of RTX ray-tracing in Quake II
  ☆1,244Updated this week
• NightDive-Studio / shockmac
  System Shock (PowerMac version / Official GPL Release)
  ☆1,451Updated 6 years ago
• wheybags / freeablo
  [ARCHIVED] Modern reimplementation of the Diablo 1 game engine
  ☆2,158Updated last year
• id-Software / wolf3d
  The original open source release of Wolfenstein 3D
  ☆2,262Updated 13 years ago
• Croteam-official / Serious-Engine
  An open source version of a game engine developed by Croteam for the classic Serious Sam games.
  ☆3,079Updated 4 years ago
• id-Software / RTCW-SP
  Return to Castle Wolfenstein Single Player GPL Source Release
  ☆584Updated 4 years ago
• Unvanquished / Unvanquished
  An FPS/RTS hybrid game powered by the Daemon engine (a combination of ioq3 and XreaL)
  ☆1,017Updated this week
• fabiangreffrath / crispy-doom
  Crispy Doom is a limit-removing enhanced-resolution Doom source port based on Chocolate Doom.
  ☆833Updated this week
• gemrb / gemrb
  GemRB is a portable open-source implementation of Bioware’s Infinity Engine.
  ☆1,035Updated this week
• id-Software / Enemy-Territory
  Wolfenstein: Enemy Territory GPL Source Release
  ☆574Updated 13 years ago
• opentomb / OpenTomb
  An open-source Tomb Raider 1-5 engine remake
  ☆1,415Updated last month