License & Open Source Terms¶

LITIENGINE is free, open-source software released under the permissive MIT License.

The MIT License gives you complete freedom to use, modify, distribute, and monetize your games created with LITIENGINE—whether for hobby, educational, indie, or commercial production.

License Permissions Summary¶

Commercial Use

You can build and sell commercial games on Steam, itch.io, GOG, Epic Games Store, or consoles without paying any royalties or license fees.
Modification & Forking

You are free to modify engine source code, create custom builds, adapt internal subsystems, or integrate private proprietary modules.
Closed-Source Distribution

Your game's proprietary code, storyline, art, and music can remain 100% closed-source. You do not need to open-source your game project.
Attribution Requirement

The only requirement is including the standard copyright notice and MIT permission notice in your game distribution or credits.

The MIT License¶

MIT License

Copyright (c) 2016-2026 Gurkenlabs (Steffen Wilke, Matthias Wilke)

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 & Dependencies¶

LITIENGINE incorporates or interoperates with a small set of open-source libraries, each governed by their respective permissive licenses:

Component	License	Role in LITIENGINE
Input4j	MIT License	Java Panama Foreign Function & Memory (FFM) Gamepad / DirectInput / XInput subsystem
VorbisSPI	LGPL v3 / BSD	OGG Vorbis audio decoding service provider

For a complete breakdown of all runtime libraries and developer tools, see our Libraries and Tools documentation.

Documentation License¶

The documentation text, tutorials, diagrams, and code snippets in this repository are available under the MIT License and Creative Commons Attribution 4.0 International (CC BY 4.0) license.