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Best Productivity ResourcesBy Shushant LakhyaniVerified creator

Website

Advent of Code

Daily programming puzzles in December, with every past year still open.

Visit Advent of Code4.8

  • Rating

    4.8 / 5

  • Pricing

    Free

  • Difficulty

    Intermediate

  • Works on

    Web

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What is Advent of Code?

Advent of Code is an Advent calendar of small programming puzzles for a range of skill levels, solvable in any language. It is free, each puzzle has two parts and a story, and every past event stays online, so you can practise at any time of year.

Pros: what Advent of Code does well

  • Fun, story-driven puzzles
  • Any language you like
  • Years of archives to practise on

Cons: where it falls short

  • Later puzzles get tough
  • New puzzles only arrive in December

Who Advent of Code is for

Developers who want fun coding practice or a December challenge with friends.

Who can skip it

People who are not learning to program.

Advent of Code alternatives

Not sold on Advent of Code? These do a similar job, and each card says what it has in common.

All Learning resources

Codewars

Focus: coding. Shares challenges and practice with Advent of Code. A web app, not a website. Freemium (Advent of Code: Free). Rated 4.6 (Advent of Code: 4.8).

Web AppFree planWeb
4.6Visit

CSSBattle

Focus: css and coding game. Shares challenges and practice with Advent of Code. A web app, not a website. Rated 4.6 (Advent of Code: 4.8).

Web AppFreeWeb
4.6Visit

Project Euler

Focus: maths, puzzles and problem solving. Shares programming with Advent of Code. Rated 4.7 (Advent of Code: 4.8).

WebsiteFreeWeb
4.7Visit

roadmap.sh

Focus: learning paths, developer careers and roadmaps. Shares programming with Advent of Code. Freemium (Advent of Code: Free). Rated 4.7 (Advent of Code: 4.8).

WebsiteFree planWeb
4.7Visit

Teach Yourself CS

Focus: computer science, self taught and study plan. Shares programming with Advent of Code. Rated 4.7 (Advent of Code: 4.8).

WebsiteFreeWeb
4.7Visit

Devhints

Focus: cheatsheets, reference and github. Shares programming with Advent of Code. Rated 4.6 (Advent of Code: 4.8).

WebsiteFreeWeb
4.6Visit

Free alternatives to Advent of Code

Want to spend nothing? These free picks cover similar ground.

Learn X in Y Minutes

Focus: cheat sheets, syntax and languages. Shares programming with Advent of Code. Rated 4.6 (Advent of Code: 4.8).

WebsiteFreeWeb
4.6Visit

Edabit

Focus: coding practice, python and javascript. Shares challenges with Advent of Code. Rated 4.5 (Advent of Code: 4.8).

WebsiteFreeWeb
4.5Visit

QuickRef.ME

Focus: cheatsheets, reference and command line. Shares programming with Advent of Code. Rated 4.5 (Advent of Code: 4.8).

WebsiteFreeWeb
4.5Visit

Rosetta Code

Focus: code examples, languages and wiki. Shares programming with Advent of Code. Rated 4.5 (Advent of Code: 4.8).

WebsiteFreeWeb
4.5Visit

JavaScript.info

Focus: javascript, tutorial and web development. Shares programming with Advent of Code. A course, not a website. Same 4.8 rating.

CourseFreeWeb
4.8Visit
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