Bohemia Interactive games
ArmA III
r + K/LoW/T/P/H/J/A = Requires Apex (A)/Helicopters (H)/Planes (P)/Karts (K) etc
req + [name] = requires third party content (CBA/CUP/ALiVE etc)
Bethesda Softworks games
The Elder Scrolls: Skyrim
The Elder Scrolls: Oblivion
Fallout 3
Fallout 4
Honorable mentions (mod content/information/PDF/video/pictures/references etc.)
Hosted outside GitHub, Open-Source
Hosted outside GitHub, not Open- Source