Is there such a calendar in open-source?

Question

css

Hello.
Tell me if there are similar calendars in open source ??
prntscr.com/g5yjry
Thank you.

Answer 1

https://github.com/search?utf8=✓&q=calendar&type=
Could be more specific if you specified the programming language
js:
kylestetz.github.io/CLNDR
https://github.com/yscoder/Calendar

Answer 2

I don’t think it’s just such an open source, but there are similar ones, for example: https://dhtmlx.com/docs/products/demoApps/room-res...