People from around the world have helped us by providing artwork and translations. If you have contributed and would like to be credited, just ask!


Many people have contributed precious translations. These are some of them:

  • Danish: Mads Støvring-Nielsen
  • Japanese: Ichiro Morita
  • Korean: Jin Yi
  • Urdu: Muhammad Bin Naveed

If you have already contributed and you would like a credit here, simply let us know and tell us the name you’d like to use.


Many icons came from, and were generously freely licences by their creators.

  • FreePik
  • Flat Icon
  • Monpik
  • Creaticca Creative Agency


The following free software was used:


Our cards are all freely licensed under Creative Commons CC-BY-SA 4.0. This means that anyone can take them, modify them as they wish and distribute them. All they have to do is ensure they distribute under the same terms and credit OnaCard.

Creative Commons License
This work is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License.