adventofcode.com
Advent calendar of small programming puzzles for all levels.
Advent of Code 2025Advent of Code 2025 is an advent calendar of small programming puzzles for all skill levels that can be solved in any language. It's used for interview prep, coursework, and friendly competition, with puzzles designed to run quickly on modest hardware.
Mixes intended for listening while programming
Programming language aware diffs for Visual Studio Code
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Daily programming for the handmade web.
A calendar of songs sorted by the dates they sing about.
Monospace typeface designed for symbol-rich programming.
Thoughts and links about programming
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