Top 23 advent-of-code Open-Source Projects

  • GitHub repo awesome-advent-of-code

    A collection of awesome resources related to the yearly Advent of Code challenge.

    Project mention: 2020 Day 15 Solutions | reddit.com/r/adventofcode | 2021-01-12

    I added my repo to Awesome AoC because the other two Dart solutions were not for all days. I'm not sure my code is the best example of Dart code! Is your code available? Maybe you could share it?

  • GitHub repo aoc

    🎄 My solutions and walkthroughs for Advent of Code (https://adventofcode.com) and more related stuff.

    Project mention: Peter Norvig's “pytudes” for Advent of Code 2020 | news.ycombinator.com | 2021-01-05

    If you like this, you will love https://github.com/mebeim/aoc/tree/master/2020

    The guy created very clean python solutions, and very insigthful walkthrough (although a bit wordy some times). It was my go to repo after validating my solutions on AoC (he managed to publish daily during the whole challenge !).

  • Scout APM

    Scout APM: A developer's best friend. Try free for 14-days. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.

  • GitHub repo advent-of-code-2020

    🎅🌟❄️☃️🎄🎁 (by mstksg)

    Project mention: -🎄- 2020 Day 22 Solutions -🎄- | reddit.com/r/adventofcode | 2020-12-21

    [Haskell] (Taken from my daily haskell reflections)

  • GitHub repo advent-of-code-2018

    Advent of Code 2018 Solutions (Spoilers!)

  • GitHub repo aoc-2020

    Advent of Code 2020 in 25 Different Languages

    Project mention: Good YouTubers who program 'live'? | reddit.com/r/C_Programming | 2021-04-24

    Tsoding (there is a vods channel on yt, but he usually streams on twitch)

  • GitHub repo adventofcode

    :christmas_tree: Advent of Code (2015-2020) in C#/.Net5 (by encse)

    Project mention: -🎄- 2020 Day 24 Solutions -🎄- | reddit.com/r/adventofcode | 2020-12-23

    Cleaned up: https://github.com/encse/adventofcode/blob/master/2020/Day24/Solution.cs

  • GitHub repo advent-of-code-2019

    Advent of Code 2019 Solutions (Spoilers!)

  • Nanos

    Run Linux Software Faster and Safer than Linux with Unikernels.

  • GitHub repo AdventOfCode

    My F# and C# Advent Of Code solutions (by CameronAavik)

    Project mention: [2020] [Nim] All days in less than 1 second | reddit.com/r/adventofcode | 2021-01-02

    Here is my code for day 11 which runs in 8ms: Link

  • GitHub repo advent-of-code-2017

    Advent of Code 2017 (Warning: Spoilers)

    Project mention: [2020] [Haskell] Reflections/Write-ups on Haskell Solutions for All Problems of 2020 | reddit.com/r/adventofcode | 2020-12-30

    I usually try this every year, but this is the first year I was able to get around to doing a write-up of each day :) I try to emphasize the special insights that Haskell can help in solving each puzzle. Thank you for all of you who have read so far or have left comments on the solution threads when I make these posts. And thanks to Eric for a great event like aways :)

  • GitHub repo advent-of-code-2020

    :christmas_tree: My Advent of Code solutions in Rust. http://adventofcode.com/2020

    Project mention: Hey Rustaceans! Got an easy question? Ask here (12/2021)! | reddit.com/r/rust | 2021-03-22

    Cool to see the itertools approach here though :) Link to the solution I saw before

  • GitHub repo advent-2020-kotlin

    :christmas_tree: Advent of Code 2020: Solutions in Kotlin

    Project mention: 2020 Day 21 Solutions | reddit.com/r/adventofcode | 2020-12-21

    Kotlin -> [Blog/Commentary] - [Today's Solution] - [All 2020 Solutions]

  • GitHub repo adventofcode

    Advent of Code solutions of 2015, 2016, 2017, 2018, 2019 and 2020 in Scala

    Project mention: Scratch users doesn't count | reddit.com/r/ProgrammerHumor | 2021-09-21

    I couple years ago I did the first handful of days of Advent of Code in Scratch. It was painful, but... worked?

  • GitHub repo advent-of-code

    My solutions for Advent of Code (by AlexAegis)

    Project mention: -🎄- 2020 Day 24 Solutions -🎄- | reddit.com/r/adventofcode | 2020-12-23

    Part Two

  • GitHub repo AdventOfCode2020

    My solutions for AoC 2020 (by narimiran)

    Project mention: [2020] [Nim] All days in less than 1 second | reddit.com/r/adventofcode | 2021-01-02
  • GitHub repo aoc2020

    Advent of Code 2020 - my answers

    Project mention: [2020 Day 1] Performance comparison of solutions in 7 different languages | reddit.com/r/adventofcode | 2021-01-07

    I benchmarked all 25 days in 4 languages (using GitHub Actions, which performs worse than my local dev setup, but feels more fair for reproducibility). Can't get any pretty animated output, though.

  • GitHub repo AdventOfCode2020

    Solutions to all 25 AoC 2020 problems in Rust :christmas_tree: With relatively high global leaderboard placements! (by AxlLind)

    Project mention: LIVE Topic Requests | reddit.com/r/mrrip | 2021-08-07
  • GitHub repo adventofcode-solutions

    🎄 Solutions to https://adventofcode.com/ in javascript

    Project mention: -🎄- 2020 Day 22 Solutions -🎄- | reddit.com/r/adventofcode | 2020-12-21

    My input: https://github.com/xPaw/adventofcode-solutions/blob/d5b979f4a4fe45b5c14c290c69cb7c7d323310ec/2020/data/day22.txt

  • GitHub repo adventofcode2020

    Python solutions to https://adventofcode.com/2020 (by r0f1)

    Project mention: 2020 Day 21 Solutions | reddit.com/r/adventofcode | 2020-12-25
  • GitHub repo aoc2020apl

    Advent of Code 2020 solutions in Dyalog APL

    Project mention: -🎄- 2020 Day 25 Solutions -🎄- | reddit.com/r/adventofcode | 2020-12-24

    Dyalog APL 395/315

  • GitHub repo aoc2020

    Solutions to Advent of Code 2020, written in Racket (by goderich)

    Project mention: Advent of Code 2020 solutions in Racket, fully commented | reddit.com/r/Racket | 2020-12-24
  • GitHub repo adventofcode

    Answers to Advent of Code (by viceroypenguin)

    Project mention: 2020 Day 21 Solutions | reddit.com/r/adventofcode | 2020-12-21

    C#

  • GitHub repo AdventOfCode2020

    My solutions for Advent Of Code 2020 (by akaritakai)

    Project mention: -🎄- 2020 Day 24 Solutions -🎄- | reddit.com/r/adventofcode | 2020-12-23

    Code here.

  • GitHub repo AdventOfCode-Java

    adventOfCode(Language.JAVA);

    Project mention: -🎄- 2020 Day 25 Solutions -🎄- | reddit.com/r/adventofcode | 2020-12-24

    Java Today was very easy, but it took me considerable effort to wrap my mind around the problem. I was almost about to do a multithreaded solution when I facepalmed and implemented what I actually had to implement.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2021-09-21.

Index

What are some of the best open-source advent-of-code projects? This list will help you:

Project Stars
1 awesome-advent-of-code 1,016
2 aoc 165
3 advent-of-code-2020 85
4 advent-of-code-2018 84
5 aoc-2020 73
6 adventofcode 70
7 advent-of-code-2019 64
8 AdventOfCode 49
9 advent-of-code-2017 49
10 advent-of-code-2020 45
11 advent-2020-kotlin 38
12 adventofcode 35
13 advent-of-code 29
14 AdventOfCode2020 28
15 aoc2020 27
16 AdventOfCode2020 20
17 adventofcode-solutions 18
18 adventofcode2020 17
19 aoc2020apl 17
20 aoc2020 13
21 adventofcode 12
22 AdventOfCode2020 12
23 AdventOfCode-Java 12
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