Top 12 Open-Source Alternatives to Project Euler

Product categories

Cloud Hosting Code Collaboration Coding Community Developer Tools Education Education & Reference Learn To Code Online Courses Online Education Online Learning Programming

Summary

The top open-source alternatives to Project Euler are LeetCode, Exercism.io, and Codewars. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

LeetCode Landing Page
1

LeetCode

Practice and level up your development skills and prepare for technical interviews.
Pricing:
- Open Source
#Online Education #Online Learning #Online Courses 515 social mentions
Exercism.io Landing Page
2

Exercism.io

Download and solve practice problems in over 30 different languages.
Pricing:
- Open Source
#Online Learning #Online Education #Online Courses 298 social mentions
Codewars Landing Page
3

Codewars

Achieve code mastery through challenge.
Pricing:
- Open Source
#Online Learning #Online Education #Online Courses 160 social mentions
Real Python Landing Page
4

Real Python

Real Python is a Python tutorials and training videos website that provides an interactive platform for users to learn Python.
Pricing:
- Open Source
#Development #Education & Reference #Online Learning 50 social mentions
Bomberland by Coder One Landing Page
5

Bomberland by Coder One

A multi-player AI sandbox to practise machine learning.
Pricing:
- Open Source
#Online Learning #Online Education #Online Courses
W3Schools Landing Page
6

W3Schools

W3Schools is a web developers information website, with tutorials and references on web development...
Pricing:
- Open Source
#Online Learning #Online Courses #Online Education 186 social mentions
DMOJ Landing Page
7

DMOJ

The DMOJ is a modern contest platform and archive of programming problems.
Pricing:
- Open Source
#Online Education #Online Learning #Programming 11 social mentions
Scratch Landing Page
8

Scratch

Scratch is the programming language & online community where young people create stories, games, & animations.
Pricing:
- Open Source
#Kids Education #Programming #Coding 558 social mentions
The Odin Project Landing Page
9

The Odin Project

How it works. This is the website we wish we had when we were learning on our own. We scour the internet looking for only the best resources to supplement your learning and present them in a logical order.
Pricing:
- Open Source
#Online Learning #Online Courses #Online Education 233 social mentions
Daily Coding Problem Landing Page
10

Daily Coding Problem

Get exceptionally good at coding interviews
Pricing:
- Open Source
#Online Learning #Online Education #Coding 1 social mentions
Glitch Landing Page
11

Glitch

Glitch is the friendly community where everyone builds the web. Simple, powerful interface for creating web apps.
Pricing:
- Open Source
- Free
- Free Trial
#Text Editors #Cloud Hosting #Code Collaboration 112 social mentions
Learn X in Y minutes Landing Page
12

LXY

Learn X in Y minutes

LearnXinYminutes isn’t a good way to learn your first programming language, but it’s a great way to...
Pricing:
- Open Source
#Online Learning #Online Education #Developer Tools 146 social mentions