Top 12 Open-Source Alternatives to LeetCode

LeetCode

Practice and level up your development skills and prepare for technical interviews.

As LeetCode is an open source project, you can find more open source alternatives and stats on LibHunt.

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Open Source

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Product categories

Online Learning Online Courses Online Education Education Programming Text Editors Cloud Hosting Code Collaboration Coding Development Edtech Education & Reference

Summary

The top open-source alternatives to LeetCode are Project Euler, Codewars, and Exercism. 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.

Project Euler Landing Page
1

Project Euler

Project Euler is a series of challenging mathematical/computer programming problems that will...
Pricing:
- Open Source
#Online Courses #Programming #Online Learning 415 social mentions
Codewars Landing Page
2

Codewars

Achieve code mastery through challenge.
Pricing:
- Open Source
#Education #Online Courses #Online Learning 160 social mentions
Exercism Landing Page
3

Exercism

Download and solve practice problems in over 30 different languages.
Pricing:
- Open Source
#Online Courses #Programming #Online Learning 318 social mentions
Daily Coding Problem Landing Page
4

Daily Coding Problem

Get exceptionally good at coding interviews
Pricing:
- Open Source
#Programming #Online Learning #Online Education 1 social mentions
W3Schools Landing Page
5

W3Schools

W3Schools is a web developers information website, with tutorials and references on web development...
Pricing:
- Open Source
#Education #Online Courses #Online Learning 187 social mentions
roadmap.sh Landing Page
6

roadmap.sh

roadmap.sh is a community effort to create roadmaps, guides and other educational content to help guide the developers in picking up the path and guide their learnings.
Pricing:
- Open Source
#Education #Online Courses #Online Learning 55 social mentions
CodeSandbox Landing Page
7

CodeSandbox

Online playground for React
Pricing:
- Open Source
#Software Development #Text Editors #Programming 313 social mentions
DMOJ Landing Page
8

DMOJ

The DMOJ is a modern contest platform and archive of programming problems.
Pricing:
- Open Source
#Online Courses #Programming #Online Learning 11 social mentions
Real Python Landing Page
9

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
#Education #Online Courses #Online Learning 57 social mentions
Glitch Landing Page
10

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 116 social mentions
Scrimba Landing Page
11

Scrimba

Interactive coding screencasts created in an instant
Pricing:
- Open Source
#Education #Online Courses #Online Learning 143 social mentions
The Odin Project Landing Page
12

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
#Education #Online Courses #Online Learning 235 social mentions

Suggest an alternative

If you think we've missed something, please suggest an alternative to LeetCode.

Please use the Feedback button if you think any of the listed products shouldn't be regarded as open-source.

LeetCode discussion

Rohit Singh
· over 3 years ago
· Reply

Leetcode is a fantastic platform, no doubt. But exploring alternatives can expose you to different problem types, competitive environments, and learning formats, making you a more versatile coder. Plus, it’s always good to have a few more tools in your toolkit, right?