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TheAlgorithms

10 indexed repositories · View on GitHub

Python
All Algorithms implemented in Python

Python · 224771 stars
Java
All Algorithms implemented in Java

Java · 66278 stars
Rust
All Algorithms implemented in Rust

Rust · 26056 stars
PHP
All Algorithms implemented in PHP

PHP · 2648 stars
Dart
All Algorithms implemented in Dart

Dart · 2147 stars
website
The Algorithms website providing GitHub's largest open-source algorithm library.

TypeScript · 1045 stars
algorithms-keeper
A bot for TheAlgorithms/Python repository.

Python · 196 stars
AArch64_Assembly
All Algorithms implemented in AArch64 Assembly

Assembly · 192 stars
Nim
Collection of various algorithms implemented in Nim for educational purposes.

Nim · 110 stars
Fortran
All Algorithms implemented in Fortran. Making Fortran Great Again!

Fortran · 101 stars

Beginner friendly Everything

Open All

TheAlgorithms/python_maintainers: Call for help in preparing for Hacktoberfest 2026 Open

help wanted

TheAlgorithms/Python#15351 · 2 assignees · Opened Sep 15, 2026
Should we add matchify to pre-commit Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 45/100

TheAlgorithms/Python#15337 · 8 comments · Opened Sep 15, 2026
Open Pull Request File Map Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

TheAlgorithms/Python#15310 · 16 comments · Opened Sep 13, 2026
[FEATURE REQUEST] Add Perceptron binary classifier Open

Difficulty 3/5 1-2 days Newbie friendliness 78/100

TheAlgorithms/Java#7599 · Opened Sep 9, 2026
Tracking: complete the `ty` gradual-typing baseline (un-ignore rules; PEP 723 blocker astral-sh/ty#691) Open

hacktoberfest help wanted tracking issue

Difficulty 4/5 3-5 days Newbie friendliness 42/100

TheAlgorithms/Python#15187 · 8 comments · Opened Sep 4, 2026
I would like to implement DBSCAN Open

Difficulty 3/5 1-2 days Newbie friendliness 68/100

TheAlgorithms/Rust#1068 · Opened Sep 3, 2026
[FEATURE REQUEST] <title>Add Postfix Expression Evaluation implementation with JUnit tests Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 78/100

TheAlgorithms/Java#7588 · 2 comments · Opened Sep 1, 2026
priya-sundaram-dev as a triager? Open

TheAlgorithms/Python#15081 · 123 comments · 2 assignees · Opened Aug 25, 2026
[FEATURE REQUEST] Add Search in Rotated Sorted Array implementation with JUnit tests Open

enhancement

TheAlgorithms/Java#7579 · 4 comments · 2 assignees · Opened Aug 23, 2026
[OTHER] Contributors Wanted for New Open-Source Projects Open

hacktoberfest help wanted

Difficulty 5/5 Over a week Newbie friendliness 1/100

TheAlgorithms/Java#7546 · 5 comments · Opened Jul 28, 2026
Front-page.php neomorphisme Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

TheAlgorithms/PHP#196 · Opened Jul 6, 2026
Conversions/OctalToDecimal: decimalToOctal uses float division (/= 8) so it emits spurious leading zeros / over-iterates Open

Difficulty 2/5 1-3 hours Newbie friendliness 80/100

TheAlgorithms/PHP#195 · Opened Jun 18, 2026
Centralized Configuration Management Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

TheAlgorithms/Java#6974 · 3 comments · Opened Oct 28, 2025
Feedback on t-SNE script: ideas to improve clarity and usability Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 42/100

TheAlgorithms/Python#13513 · 2 comments · 1 reaction · Opened Oct 15, 2025
Implement Red-Black Tree Open

Difficulty 5/5 Over a week Newbie friendliness 35/100

TheAlgorithms/PHP#188 · 1 comment · Opened Oct 9, 2025
LLE and MDS in dimensionality reduction Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 42/100

TheAlgorithms/Python#13116 · 3 comments · Opened Oct 2, 2025
[Docs] Improve README: Structure, Formatting, and Visual Enhancements Open

Difficulty 2/5 Half a day Newbie friendliness 45/100

TheAlgorithms/Dart#257 · Opened Jul 13, 2025
[CONTENT] The website and repo are different Open

content

Difficulty 5/5 Over a week Newbie friendliness 25/100

TheAlgorithms/website#312 · Opened Apr 24, 2025
SITE DOWN Open

content

Difficulty 4/5 3-5 days Newbie friendliness 18/100

TheAlgorithms/website#311 · 2 comments · 3 reactions · Opened Feb 11, 2025
[CONTENT] Two entries for Hamming Distance Open

content

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TheAlgorithms/website#307 · Opened Dec 10, 2024
[CONTENT] Multiple Entries for Kadane's Algorithm Open

content

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TheAlgorithms/website#305 · Opened Dec 10, 2024
3 Sum Implementation Open

Difficulty 2/5 1-3 hours Newbie friendliness 15/100

TheAlgorithms/Dart#255 · Opened Dec 3, 2024
[FEATURE] Improve Codebox Open

enhancement

Difficulty 2/5 1-3 hours Newbie friendliness 50/100

TheAlgorithms/website#303 · Opened Oct 28, 2024
[CONTENT] Duplicate text in algorithm explanation in website Open

content

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TheAlgorithms/website#300 · Opened Oct 24, 2024
The problem in the documentation Open

content

Difficulty 3/5 1-2 days Newbie friendliness 38/100

TheAlgorithms/website#295 · 1 comment · Opened Oct 3, 2024
[TRANSLATION ISSUE] Korean spelling mistake Open

translations

Difficulty 1/5 Under an hour Newbie friendliness 45/100

TheAlgorithms/website#293 · Opened Sep 11, 2024
[CONTENT] Confusing (Duplicate?) Entries for Sieve of Eratosthenes Open

content

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TheAlgorithms/website#291 · Opened May 22, 2024
[FEATURE]: add navigation for different algorithm sections Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TheAlgorithms/website#284 · 2 comments · Opened Mar 22, 2024
Standardization required Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

TheAlgorithms/AArch64_Assembly#6 · Opened Jan 2, 2024
Issue template is missing Open

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

TheAlgorithms/AArch64_Assembly#5 · Opened Jan 2, 2024
NPH style formatting Open

enhancement

Difficulty 5/5 Over a week Newbie friendliness 20/100

TheAlgorithms/Nim#68 · 1 comment · Opened Dec 30, 2023
[CONTENT] Two entries for Caesar cipher Open

content

Difficulty 2/5 1-3 hours Newbie friendliness 35/100

TheAlgorithms/website#274 · 1 comment · Opened Oct 28, 2023
[FEATURE] Add a scroll-to-top button for easier navigation through the website Open

enhancement

TheAlgorithms/website#272 · 1 comment · 1 assignee · Opened Oct 22, 2023
Bucket Sort implementation Open

Difficulty 2/5 1-3 hours Newbie friendliness 15/100

TheAlgorithms/Dart#242 · Opened Oct 19, 2023
Suggestion: Add optimization functions, ml algorithms under `machine_learning` folder Open

dont-close

Difficulty 5/5 Over a week Newbie friendliness 25/100

TheAlgorithms/Rust#578 · 13 comments · 3 reactions · Opened Oct 15, 2023
[CONTENT] Three entries to check whether a number is a palindrome Open

content

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TheAlgorithms/website#268 · 1 comment · Opened Oct 6, 2023
[CONTENT] Two entries for Atbash cipher Open

content

Difficulty 2/5 1-3 hours Newbie friendliness 45/100

TheAlgorithms/website#267 · Opened Oct 6, 2023
Travelling Salesman Problem implementation Open

Difficulty 3/5 1-2 days Newbie friendliness 20/100

TheAlgorithms/Dart#237 · Opened Oct 5, 2023
Fixing Errors in Math Algorithms Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

TheAlgorithms/Dart#233 · Opened Oct 1, 2023
[FEATURE] Addition of a "Copy Code" button to the code interface Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 25/100

TheAlgorithms/website#261 · 6 comments · 1 reaction · Opened Sep 20, 2023
There are a lot of space right side of 'PROGRAMMING LANGUAGES SECTION' Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TheAlgorithms/website#260 · 2 comments · Opened Sep 17, 2023
Create a script to automatically build the `DIRECTORY.md` file Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

TheAlgorithms/Fortran#3 · 2 reactions · Opened Sep 1, 2023
Bug: The search bar does not work properly Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 35/100

TheAlgorithms/website#252 · 3 comments · Opened Aug 5, 2023
[BUG] Add the ability to ignore directories per repository Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

TheAlgorithms/website#237 · 1 comment · 1 reaction · Opened Jun 2, 2023
[TRANSLATION ISSUE] Remove flags next to languages in the translation menu Open

Discussion translations

TheAlgorithms/website#236 · 1 comment · 1 reaction · 1 assignee · Opened May 26, 2023
[FEATURE] Build a contributing guidelines file Open

documentation

Difficulty 3/5 1-2 days Newbie friendliness 28/100

TheAlgorithms/website#235 · 9 comments · Opened May 22, 2023
Add a GitHub workflow that checks the code (Nim linter) Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 15/100

TheAlgorithms/Nim#16 · 1 comment · Opened May 14, 2023
Looking for maintainers! Open

help wanted

Difficulty 5/5 Over a week Newbie friendliness 12/100

TheAlgorithms/Nim#9 · 5 comments · 3 reactions · Opened Apr 24, 2023
This is how I do it... My fork is `origin` and the main public repo is `upstream`. Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

TheAlgorithms/Dart#221 · 1 reaction · Opened Apr 13, 2023
Bug in factorial calculation Open

Difficulty 3/5 1-2 days Newbie friendliness 25/100

TheAlgorithms/Dart#218 · 6 comments · Opened Mar 16, 2023

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