Do whatever you need with it

Zytfenster is released under the MIT licence, one of the most permissive licences there is.

What you can do

• use Zytfenster free of charge, for as long as you like
• read and customise the code
• use it for as many clients as you like
• bill for your work on it
• pass it on, including in modified form

The only condition

The licence notice with my name stays in the code, in the LICENSE file.

What you should know

Zytfenster comes without any warranty. I’m not liable for any damage arising from its use. I’m still happy to fix bugs, free of charge.

The name and logo “Zytfenster” are not part of the licence. If you pass on or sell a modified version, please give it a name of its own.

The licence text

The original English text is the authoritative version. It’s also included in the download.

MIT License

Copyright (c) 2026 Arto Steiner

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.