Here are some advent and holiday calendars for 2022:
- Web Performance Calendar – The speed geek’s favorite time of the year
- Advent of Code 2022
- Perl Advent Calendar 2022
- Lean UXmas 2022 – The top articles from 2022’s Agile & Lean UX News
- 24 Days in December – Thoughts of the PHPamily
- It's a Shape Christmas | Digital Advent Calendar
There is one in French:
- 24 jours de web : Le calendrier de l'avent des gens qui font le web d'après
If you know any interesting holiday or advent calendars, please post them in the comments.