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    This document describes the terms of use for the RK-CMS content management system core. Please read it before installing or distributing the program.

    1. SCOPE

    This license applies ONLY to the RK-CMS core (files included in the official distribution from https://rk-cms.ru/).

    Plugins, themes, modules, and other add-ons (hereinafter referred to as "Add-ons") are independent works and may be distributed by their authors under their own licenses, including proprietary ones.

    Unless the author of an Add-on explicitly specifies a different license, it is also considered to be distributed under the terms of the MIT License listed below.

    2. THE MIT LICENSE (Main Text)

    Copyright (c) 2025-2026 Yuriy RichKeeper Andreev

    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 condition:

    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 NON-INFRINGEMENT. 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 USE OR DEALINGS IN THE SOFTWARE.

    The original English text of the MIT License is available at: https://opensource.org/licenses/MIT

    3. ADDITIONAL DISCLOSURES

    - You are free to use the RK-CMS core in any project, including commercial projects, modify it, and redistribute it in both source and compiled form.

    - When distributing, you must maintain the copyright notice and the text of this license.

    - You may create and sell proprietary Add-ons without disclosing their source code, provided they do not incorporate RK-CMS core code but only interact with it through the public API.

    - The author makes no guarantees regarding the program's operation and is not liable for any damages related to its use.

    For all questions regarding commercial licensing, partnerships, and distribution, please contact us using the contact information on the website.

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