Certain software licenses such as Creative Commons Attribution 3.0 Unported (CC-BY-3.0) and Creative Commons Attribution 4.0 International (CC BY 4.0) require attribution.

The open-source libraries that are used at Joyous which require attribution are as follows:

date-holidays

Github Repository: Date holidays

License: https://github.com/commenthol/date-holidays/blob/master/LICENSE

This library has not been modified.

caniuse-lite

Github Repository: caniuse-lite

License: https://github.com/browserslist/caniuse-lite/blob/main/LICENSE

This library has not been modified.

spdx-exceptions

Github Repository: spdx-execeptions.json

License: https://github.com/jslicense/spdx-exceptions.json/blob/master/README.md

This library has not been modified.