Alternatives and similar repositories for pioneer

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

• OoliteProject / oolite
  The main Oolite repository.
  ☆614Updated 2 weeks ago
• freeorion / freeorion
  Source code repository of the FreeOrion project.
  ☆945Updated last week
• naev / naev
  Naev has moved to codeberg! This is just a mirror.
  ☆927Updated this week
• Unvanquished / Unvanquished
  An FPS/RTS hybrid game powered by the Daemon engine (a combination of ioq3 and XreaL)
  ☆1,062Updated last week
• ZeroK-RTS / Zero-K
  Open source RTS game running on the Spring/Recoil engine
  ☆769Updated 2 weeks ago
• OpenDungeons / OpenDungeons
  Open source game inspired by Dungeon Keeper - Dark, damp and dangerous... | *Not actively developed anymore*
  ☆490Updated 2 months ago
• angband / angband
  A free, single-player roguelike dungeon exploration game
  ☆1,446Updated this week
• flareteam / flare-game
  Fantasy action RPG using the FLARE engine
  ☆1,204Updated last month
• OpenXcom / OpenXcom
  Open-source clone of the original X-Com 👽
  ☆2,090Updated this week
• freeciv / freeciv
  Freeciv is a Free and Open Source empire-building strategy game inspired by the history of human civilization. Upstream repository for th…
  ☆1,443Updated this week
• flareteam / flare-engine
  Free/Libre Action Roleplaying Engine (engine only)
  ☆1,196Updated last week
• smcameron / space-nerds-in-space
  Multi-player spaceship bridge simulator game. Captain your starship through adventures with your friends. See https://smcameron.github.i…
  ☆764Updated this week
• gemrb / gemrb
  GemRB is a portable open-source implementation of Bioware’s Infinity Engine.
  ☆1,132Updated this week
• stuntrally / stuntrally
  NOTE: development in stuntrally3 repo. 3D racing game based on VDrift and OGRE with own Track Editor. The main repository with Stunt Rall…
  ☆636Updated last year
• miki151 / keeperrl
  Source code of KeeperRL
  ☆950Updated last month
• arx / ArxLibertatis
  Cross-platform port of Arx Fatalis, a first-person role-playing game
  ☆1,026Updated last year
• cxong / cdogs-sdl
  Classic overhead run-and-gun game
  ☆999Updated last week
• unknown-horizons / unknown-horizons
  Unknown Horizons official code repository
  ☆1,476Updated last year
• BlindMindStudios / StarRuler2-Source
  4X Space Strategy game Star Ruler 2's open source distribution.
  ☆1,503Updated 2 years ago
• OpenHV / OpenHV
  An Open Source Pixelart Science-Fiction Real-Time-Strategy game
  ☆970Updated 2 weeks ago
• Trilarion / opensourcegames
  Technical infos of open source games.
  ☆830Updated last week
• RigsOfRods / rigs-of-rods
  Main development repository for Rigs of Rods soft-body physics simulator
  ☆1,115Updated this week
• lincity-ng / lincity-ng
  City Simulation Game
  ☆536Updated last month
• xoreos / xoreos
  A reimplementation of BioWare's Aurora engine (and derivatives). Pre-pre-alpha :P
  ☆1,131Updated 8 months ago
• MegaGlest / megaglest-source
  MegaGlest real-time strategy game engine (cross-platform, 3-d)
  ☆389Updated last month
• tonihele / OpenKeeper
  Dungeon Keeper II remake
  ☆477Updated 3 months ago
• dungeons-of-moria / umoria
  Moria: a roguelike Dungeon Crawler game | Umoria Source Code
  ☆415Updated 4 months ago
• falltergeist / falltergeist
  Opensource crossplatform Fallout 2™ game engine writen in C++ and SDL.
  ☆888Updated 2 years ago
• Blecki / dwarfcorp
  An open-source 3D colony management game for PC, Mac and Linux
  ☆602Updated last year
• crawl / crawl
  Dungeon Crawl: Stone Soup official repository
  ☆2,706Updated this week