MIT License (with additional terms)

Copyright (c) 2026 Server.System

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.

Additional terms

The DVeProto specification and reference implementations are distributed under
the MIT License above.

Connecting to official Server.System servers (dveproto.serversys.ru and related
domains) is permitted only with a valid API key / account and in accordance
with these terms.

Running compatible servers that impersonate the official DVeProto network
without written permission is prohibited.

Use of the protocol in closed/private networks that do not claim compatibility
with the official network is permitted, provided authorship is credited.

When using DVeProto in a product, include:

  Uses DVeProto by Server.System
  https://dveproto.serversys.ru