Top 12 Open-Source Alternatives to Codewars

Product categories

AI Coding Corporate LMS And Training Course Authoring Tools Data Collaboration Development Education Education & Reference Online Courses Online Education Online Learning Programming

Summary

The top open-source alternatives to Codewars are LeetCode, Exercism.io, 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.

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 297 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
#Online Learning #Online Courses #Online Education 232 social mentions
W3Schools Landing Page
4

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
Project Euler Landing Page
5

Project Euler

Project Euler is a series of challenging mathematical/computer programming problems that will...
Pricing:
- Open Source
#Online Learning #Online Education #Programming 405 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 Learning #Online Courses #Online Education 39 social mentions
Tutlane Landing Page
7

Tutlane

One Stop Solution for All Your Learning Needs
Pricing:
- Open Source
- Free
#Online Learning #Education #Online Education
Colaboratory Landing Page
8

Colaboratory

Free Jupyter notebook environment in the cloud.
Pricing:
- Open Source
#Development #Education & Reference #Education 208 social mentions
Coassemble Landing Page
9

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
- $299.0 / Monthly (Unlimited Users)
#Corporate LMS And Training #LMS #E-learning
Explorium Landing Page
10

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
#Development #Education & Reference #Education
Daily Coding Problem Landing Page
11

Daily Coding Problem

Get exceptionally good at coding interviews
Pricing:
- Open Source
#Online Learning #Online Education #Coding 1 social mentions
Battlesnake Landing Page
12

Battlesnake

Battlesnake is a multi-player programming game played by developers all over the world.
Pricing:
- Open Source
#Online Learning #Online Education #Online Courses 16 social mentions