GymBells Exercise Catalogue - Free Tier
Copyright (c) 2026 Albert Donaire.


LICENCE

The following materials in this repository are licensed under the Creative Commons
Attribution-NonCommercial 4.0 International Licence (CC BY-NC 4.0):

  * the exercise illustrations in images/;
  * the exercise data in exercises.json; and
  * the English-language text in text/en.json.

The full licence terms are available at:
https://creativecommons.org/licenses/by-nc/4.0/legalcode

Under the CC BY-NC 4.0 Licence, you may copy, redistribute, remix, transform, and build upon these
materials for non-commercial purposes, subject to the terms of that licence.


ATTRIBUTION

When you use these materials, you must provide appropriate attribution, include a link to GymBells
and the licence, and indicate whether you made any changes.

The following attribution is appropriate:

  Exercise illustrations by GymBells (https://gymbells.gellyfish.dev), CC BY-NC 4.0


PUBLIC-DOMAIN DATA

Some fields in exercises.json - specifically the exercise ids, muscles, level, mechanic, and
category - derive from free-exercise-db (https://github.com/yuhonas/free-exercise-db), which was
released into the public domain.

The CC BY-NC 4.0 licence applies only to our own contributions and does not restrict material that is
already in the public domain.


COMMERCIAL USE

Commercial use is not permitted under the CC BY-NC 4.0 licence.

Commercial use, as well as access to full-size transparent images, translations, additional colour
variants, and other materials or rights not included in the free tier, may be available under a
separate commercial licence from GymBells.

For commercial licensing and other licensing options, please visit:
https://gymbells.gellyfish.dev


WEBSITE SOURCE CODE

The public browsing website consists of:

  * index.html
  * site.js
  * site.css

These files are licensed under the MIT License below.

The MIT License permits reuse, modification, distribution, and commercial use of this code, subject
to its terms.

The exercise illustrations, exercise data, and text displayed by the website remain subject to their
respective licences described above.

MIT License

Copyright (c) 2026 Albert Donaire

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.


IMPORTANT

This notice is intended to summarise the licensing of the GymBells free-tier materials. The
applicable licence terms control in the event of any inconsistency between this summary and the
relevant licence text.

This notice does not grant any rights beyond those provided by the applicable licences.