License¶

Crown¶

Crown is released under the MIT License:

Copyright (c) 2012-2021 Daniele Bartolini et al.

Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation
files (the "Software"), to deal in the Software without
restriction, including without limitation the rights to use,
copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following
conditions:

The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
OTHER DEALINGS IN THE SOFTWARE.

Third-party libraries¶

Crown uses a number of third-party libraries located in the repository under the folder named “3rdparty”:

BGFX (BSD 2-clause)¶

Cross-platform rendering library.

BX (BSD 2-clause)¶

BGFX’s Base library.

BIMG (BSD 2-clause)¶

BGFX’s Image library.

Bullet Physics SDK (Zlib)¶

Real-time collision detection and multi-physics simulation for VR, games, visual effects, robotics, machine learning etc.

FreeType (FreeType Project LICENSE)¶

Software library to render fonts.

IconFontCppHeaders (MIT)¶

C++11, C89 and None headers for icon fonts Font Awesome, Google Material Design icons and Kenney game icons.

LuaJIT (MIT)¶

A Just-In-Time Compiler for Lua.

Native File Dialog (Zlib)¶

A tiny, neat C library that portably invokes native file open, folder select and save dialogs.

Dear ImGui (MIT)¶

Dear ImGui is a bloat-free graphical user interface library for C++.

OpenAL soft (LGPL)¶

OpenAL Soft is an LGPL-licensed, cross-platform, software implementation of the OpenAL 3D audio API.

stb (Public domain)¶

single-file public domain (or MIT licensed) libraries for C/C++.

Crown Manual¶

The Crown Manual is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License or any later version. Used logos, trademarks, icons, source code and Lua scripts are excluded from CC-BY-SA.

Your Game or Application¶

What you create with Crown is your sole property. All the data (textures, models, materials, levels etc.) and code you produce (including data and code that Crown outputs) is free for you to use as you like.

This means that Crown can be used by individuals or organizations - no matter how big - to make commercial games and applications without any restriction.