License & credits

What you may do with Map Blueprint, and the open-source software it's built on.

Plain-language summary, not legal advice. This page describes the intended terms in everyday language so you know where you stand. It isn't a substitute for a lawyer-drafted agreement. If you need formal terms for your organisation, reach us on Discord.

Your license

Map Blueprint is © 2026 Adam Finney, Alex Finney, and Mortumus. All rights reserved.

Map Blueprint is free to download and use. You receive the ready-to-run app and a perpetual, non-exclusive license. There's no subscription and nothing to renew, the version you get is yours to keep.

It's free

Map Blueprint is free for everyone, any team size, commercial use included. There's no purchase, no per-seat check, and no tiers. If it's useful to you and you'd like to support it, donations via PayPal are hugely appreciated and go straight into building our indie MMO, Mortumus.

What you can do

What no license permits

In short: use it freely for whatever you're building, just don't resell or repackage the app itself, or pass it off as your own.

Warranty

Map Blueprint is provided "as is", without warranty of any kind. We do our best to make it reliable, but you run it on your own infrastructure and are responsible for your data and backups. To the extent allowed by law, we aren't liable for any damages arising from its use.

Map Blueprint is free, so there's nothing to buy and nothing to refund. If you chose to donate and have second thoughts, just message us on Discord, see the FAQ.


Open-source credits

Map Blueprint is built on the open-source software below. We're grateful to its authors. Their licenses are included here as required.

ws

The real-time collaboration is powered by ws, a WebSocket library for Node.js, used under the MIT License.

The MIT License (MIT)

Copyright (c) 2011 Einar Otto Stangvik <[email protected]>
Copyright (c) 2013 Arnout Kazemier and contributors
Copyright (c) 2016 Luigi Pinca and contributors

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.