Alternatives and similar repositories for UI3

Users that are interested in UI3 are comparing it to the libraries listed below

• OpenArena / legacy
  Legacy repository for OpenArena 0.8.8 engine and game code
  ☆13Updated 11 years ago
• OpenArena / leixperimental
  Experimental changes to the OAX cgame/game/ui code
  ☆10Updated 8 years ago
• neuromancer / avp
  Aliens vs Predator Linux enhanced with cutscene support and new screen resolutions
  ☆42Updated 4 years ago
• trackballs / trackballs
  Marble steering game (see https://trackballs.github.io/)
  ☆50Updated 8 months ago
• suijingfeng / vkOpenArena
  Old games never die, they just fade away...
  ☆60Updated 2 years ago
• svn2github / eduke32
  This is a clone of an SVN repository at http://svn.eduke32.com/eduke32. It had been cloned by http://svn2github.com/ , but the service wa…
  ☆16Updated 6 years ago
• iodoom / iod3
  iodoom3 - Open source, cross platform Doom 3 (GPLv3)
  ☆107Updated 2 years ago
• NightDive-Studio / machines
  The 3D Real-Time Strategy video game from 1999 developed by Charybdis and distributed by Acclaim.
  ☆95Updated 4 years ago
• PadWorld-Entertainment / worldofpadman
  World of PADMAN game repository
  ☆53Updated this week
• adoptware / pinball
  Emilia Pinball : A Libre pinball simulator for GNU Linux
  ☆32Updated 8 months ago
• sergiomb2 / pinball
  The Emilia Pinball Project , last code available and 2 new tables
  ☆12Updated 2 months ago
• vegastrike / Assets-Production
  Vega Strike - Upon The Coldest Sea Game Data in Engine-Consumable Form
  ☆28Updated this week
• VenKamikaze / BitRiot
  Clone / re-implementation of the Amiga Bug Bomber game
  ☆14Updated last year
• Junker / purple-xmpp-http-upload
  HTTP File Upload plugin for libpurple (XMPP Protocol)
  ☆28Updated 2 years ago
• hdmap / wine-hackery
  Dumping ground for random wine patches
  ☆23Updated 4 years ago
• solarus-games / zsxd
  This repository was moved to GitLab: https://gitlab.com/solarus-games/zsxd
  ☆26Updated 7 years ago
• Franticware / OpenMRac
  ☆29Updated last year
• dos-games / vanilla-shadow_warrior
  Official source release for Shadow Warrior
  ☆21Updated 10 years ago
• vayerx / shadowgrounds
  Shadowgrounds and Shadowgrounds Survivor games
  ☆53Updated 10 months ago
• freegish / freegish
  A free version of the game Gish
  ☆77Updated last year
• clbr / libframetime
  ☆22Updated 8 years ago
• EXL / BeGameLauncher
  A simple framework for creating launchers for ports of games on Haiku OS.
  ☆15Updated 3 years ago
• Turtle-Arena / turtle-arena-code
  Turtle Arena is a free and open source cross-platform third-person action game using the Spearmint engine.
  ☆36Updated 6 years ago
• kosumosu / vulkan-drv
  Vulkan Render Device Project for Unreal Engine (98) games.
  ☆27Updated 5 years ago
• hyperlogic / cylindrix
  3-on-3 vehicle combat game with retro tron style graphics. Originally released commercially for MSDOS in 1995. It has been refactored t…
  ☆22Updated last year
• xythobuz / OpenRaider
  Open Source Tomb Raider Engine
  ☆83Updated last year
• beaumanvienna / marley
  "Many Awesome Retro Linux Emulators, Yay!" -- A bundle of gaming console emulators for the x86_64 Linux platform
  ☆18Updated 2 years ago
• voyageur / openglide
  Git mirror of openglide CVS (http://openglide.sourceforge.net/)
  ☆49Updated last year
• supertuxkart / stk-blender
  Blender 2.80 exporter
  ☆27Updated last month
• sashavasko / afterstep-devel
  Super configurable, extra lightweight, and fluidly fast Window Manager for X
  ☆27Updated 4 years ago