"License" means these terms and conditions.
"Licensor" means the Arcadiy project (hereinafter referred to as the "Arcadiy Project") or its successor as specified in the copyright notice.
"Additional Use" means the use described in Section 2.
"Change Date" January 28, 2026
"Program" means the software distributed under this License.
"Derivative Works" means any modifications, corrections, additions, or extensions to the Program created by You that are based on or incorporate the Program or any part thereof.
"You" (or "Your") means an individual or legal entity exercising permissions granted by this License.
Subject to the terms and conditions of this License, the Licensor grants You a royalty-free, non-exclusive, non-transferable license to:
(a) use, study, and execute the Program; (b) create and distribute exact copies of the Program for non-commercial purposes; (c) create Derivative Works exclusively within the framework of participation in the Arcadiy Project through official collaboration channels; (d) use the Program to create any content (including commercial content) without restrictions.
The Licensor grants the Arcadiy Project the exclusive right to:
(a) Commercially distribute the Program and Derivative Works; (b) Offer the Program as a service (SaaS), provide paid technical support, or offer any other commercial service based on the Program; (c) Change the license for the Program or its derivatives for commercial use.
Without the express written permission of the Licensor, You are prohibited from:
(a) Distributing the Program or its derivatives for the purpose of obtaining commercial benefit from the distribution itself; (b) Using the Program to provide commercial services that compete with services offered by the Arcadiy Project based on the Program; (c) Creating independent forks of the Program under a different name or with changed license terms; (d) Removing or altering copyright, trademark, or other proprietary notices contained in the Program; (e) Transferring, sublicensing, leasing, lending, or otherwise conveying rights under this License.
Developers officially participating in the Arcadiy Project may create and contribute Derivative Works through approved contribution mechanisms, provided that all rights to such Derivative Works are assigned to the Arcadiy Project.
You may distribute exact copies of the Program's source code provided that:
(a) You distribute a copy of this License along with the Program; (b) You retain all copyright, patent, trademark, and attribution notices; (c) You do not charge a fee for the distribution of the Program itself.
THE PROGRAM IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. THE LICENSOR MAKES NO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT.
IN NO EVENT SHALL THE LICENSOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, OR CONSEQUENTIAL DAMAGES (INCLUDING LOST PROFITS) ARISING FROM THE USE OR INABILITY TO USE THE PROGRAM.
Your rights under this License terminate automatically upon violation of any of its terms. Upon termination, You must destroy all copies of the Program.
This License shall be governed by the laws of the Russian Federation.
This License constitutes the entire agreement between the parties regarding its subject matter.
By providing feedback, suggestions, or ideas for improving the Program, You agree that the Arcadiy Project may freely use them without any obligation to You.
"Arcadiy Project" means the open-source project managed by Dmitry Sergeevich Litvinov and its official representatives, including:
- Primary repository at: https://gitflic.ru/project/nopomuk/difference-machine
- Additional repository at: https://github.com/DSLitvinov/difference-machine
- Official website: https://vk.com/diffmachine
- Approved contribution channels: [under development]