Alternatives and similar repositories for firs

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

• andythenorth / iron-horse
  Iron Horse
  ☆25Updated last month
• JGRennison / OpenTTD-patches
  OpenTTD - http://www.openttd.org/ - with additional patches
  ☆696Updated this week
• EmperorJake / AXIS
  ☆18Updated last year
• TrueBrain / OpenTTD-savegame-reader
  Python/Rust/React-based savegame reader for OpenTTD
  ☆11Updated last year
• caveman2cosmos / Caveman2Cosmos
  The most expansive mod for Civilization IV: Beyond the Sword.
  ☆67Updated 2 weeks ago
• 2TallTyler / itl_houses
  A house replacement set for OpenTTD. Formerly known as Improved Town Layouts.
  ☆34Updated 8 months ago
• Pulsar4xDevs / Pulsar4x
  A Fan work recreation of Aurora4x in C#
  ☆168Updated this week
• citymania-org / grf-py
  A Python framework for making NewGRFs for OpenTTD
  ☆18Updated last week
• rschurade / Ingnomia
  ☆255Updated last year
• OpenTTD / nml
  NewGRF Meta Language
  ☆53Updated 2 weeks ago
• aidansean / OpenTTD_surveyor
  A tool for making map images from OpenTTD save games
  ☆17Updated last year
• Dwarf-Therapist / Dwarf-Therapist
  Dwarf management tool for Dwarf Fortress
  ☆689Updated last week
• jamespetts / simutrans-extended
  Sources for the Extended branch of the popular game Simutrans
  ☆87Updated 5 months ago
• OpenLoco / OpenLoco
  An open source re-implementation of Chris Sawyer's Locomotion
  ☆1,570Updated this week
• citymania-org / cmclient
  CityMania OpenTTD patched client
  ☆33Updated 3 weeks ago
• OpenTTD / OpenGFX2
  Base graphics set for OpenTTD
  ☆74Updated 3 weeks ago
• Histidine91 / Nexerelin
  The Nexerelin 4x mod for Starsector.
  ☆82Updated last month
• DFHack / stonesense
  A retro isometric visualizer for Dwarf Fortress
  ☆375Updated this week
• MeridianOXC / OpenXcom
  Open-source clone of the original X-Com
  ☆147Updated this week
• aburch / simutrans
  Mirror of Simutrans SVN Repository
  ☆446Updated this week
• Arch666Angel / mods
  Angelsmods Repository
  ☆112Updated last week
• freeorion / freeorion
  Source code repository of the FreeOrion project.
  ☆941Updated last week
• cortex-command-community / Cortex-Command-Community-Project-Source
  [ARCHIVED] Cortex Command - Open Source under GNU AGPL v3 (no game data included)
  ☆205Updated last year
• OpenTTD-JPplus / JPengines
  JP+ Engines and Wagons. Formerly known as Japanese Secret Engines
  ☆23Updated 2 months ago
• rossturner / king-under-the-mountain
  A simulation-based strategy game written in Java using LibGDX
  ☆157Updated last year
• openclonk / openclonk
  A free multiplayer action game where you control small and nimble humanoids
  ☆371Updated 10 months ago
• Kromtec / LegendsViewer
  Recreates Dwarf Fortress' Legends Mode from exported files.
  ☆62Updated last year
• stolencatkarma / CataclysmLD
  Cataclysm: Looming Darkness
  ☆155Updated 2 months ago
• OpenTTD-JPplus / JPplusPrivate
  ☆15Updated last month
• miki151 / keeperrl
  Source code of KeeperRL
  ☆948Updated 3 weeks ago