Top 12 Open-Source Alternatives to Codewars

Codewars

Achieve code mastery through challenge.

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

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Product categories

Online Learning Online Education Online Courses Education Programming Development Education & Reference Coding AI CSS Games CSS Tools Corporate LMS And Training

Summary

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

Exercism Landing Page
1

Exercism

Download and solve practice problems in over 30 different languages.
Pricing:
- Open Source
#Online Courses #Programming #Online Learning 318 social mentions
LeetCode Landing Page
2

LeetCode

Practice and level up your development skills and prepare for technical interviews.
Pricing:
- Open Source
#Online Courses #Programming #Online Learning 544 social mentions
The Odin Project Landing Page
3

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
W3Schools Landing Page
4

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
Project Euler Landing Page
5

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
Egghead Landing Page
6

Egghead

Learn the best JavaScript tools and frameworks from industry pros. Video tutorials for badass web developers.
Pricing:
- Open Source
#Online Courses #Online Learning #Online Education 40 social mentions
Colaboratory Landing Page
7

Colaboratory

Free Jupyter notebook environment in the cloud.
Pricing:
- Open Source
#Education #Development #Education & Reference 232 social mentions
Coassemble Landing Page
8

Coassemble

Coassemble is an all-in-one, online training tool that connects people with the information they need – anytime, anyplace.
Pricing:
- Open Source
- Paid
- Free Trial
- $299 / Monthly (Unlimited Users)
#LMS #Corporate LMS And Training #Online Learning
Explorium Landing Page
9

Explorium

Explorium is an External Data Platform that offers ML and AI-based datasets so data scientists can take part in data science competitors and marathons to win prizes.
Pricing:
- Open Source
#Education #Online Courses #AI
Daily Coding Problem Landing Page
10

Daily Coding Problem

Get exceptionally good at coding interviews
Pricing:
- Open Source
#Programming #Online Learning #Online Education 1 social mentions
swaroopch.com
11

A Byte of Python

A Byte of Python is a Python programming tutorial and learning book that teaches you how to program with the Python programming language.
Pricing:
- Open Source
#Education #Tutorials #Online Learning 5 social mentions
Flexbox Froggy Landing Page
12

Flexbox Froggy

A game for learning CSS flexbox
Pricing:
- Open Source
#Online Education #CSS Tools #Design Tools 268 social mentions