Rebel Fork Framework

Urho3D is greatly inspired by OGRE ( and Horde3D ( Additional inspiration & research used:

Urho3D uses the third-party libraries list of which may be found in

DXT / ETC1 / PVRTC decompression code based on the Squish library and the Oolong Engine.
Jack and mushroom models from the realXtend project. (
Ninja model and terrain, water, smoke, flare and status bar textures from OGRE.
BlueHighway font from Larabie Fonts.
Anonymous Pro font by Mark Simonson.
NinjaSnowWar sounds by Veli-Pekka Tätilä.
PBR textures from Substance Share. (
IBL textures from HDRLab's sIBL Archive.
Dieselpunk Moto model by allexandr007.
Mutant & Kachujin models from Mixamo.
License / copyright information included with the assets as necessary. All other assets (including shaders) by Urho3D authors and licensed similarly as the engine itself.