Octaforge

Home: https://octaforge.org/
State: mature
Keyword: framework, 3D
Code repository: https://git.octaforge.org/OctaForge/OctaCore.git, https://github.com/OctaForge/OF-Engine.git (mirror, @archived, @created 2011, @stars 51, @forks 11)
Code language: C++
Code license: Custom (NCSA open source license)
Developer: Daniel Kolesa, Lee Salzman, plankatron, q66

Game engine and a game development platform. See also: University of Illinois/NCSA Open Source License

Building

Build system: Make
Build instruction: https://github.com/OctaForge/OF-Engine/blob/master/INSTALL.md