Awesome Advent Calendars

Puzzles

Programming

• Advent of Code
• Advent of Distributed Systems
• Hannukah of Data
• XORnaments
• Advent of Cyber
• Tiny Code Christmas

Language Specific

• Advent of CSS
• Advent of JS
• AdventJS
• Advent of Svelte

Others

• Advent of Chess
• Puzzle Calendars

Blogs

• Advent of Technical Writing
• 12 Days of Web
• HTMLHell Advent Calendar
• The JVM Programming Advent Calendar
• C# Advent Calendar
• Perl Advent Calendar
• react.holiday

Others

• QEMU Advent Calendar

Acknowledgments

• Smashing Magazine
• Fiddler on the Proof