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

AI Coding Corporate LMS And Training Course Authoring Tools Development E-learning Education Education & Reference Online Courses Online Education Online Learning Programming

Summary

The top open-source alternatives to Codewars are LeetCode, Exercism, 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 Courses #Programming #Online Learning 532 social mentions
Exercism Landing Page
2

Exercism

Download and solve practice problems in over 30 different languages.
Pricing:
- Open Source
#Online Courses #Programming #Online Learning 314 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 412 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 39 social mentions
Coassemble Landing Page
7

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)
#LMS #Corporate LMS And Training #Online Learning
Explorium Landing Page
8

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
9

Daily Coding Problem

Get exceptionally good at coding interviews
Pricing:
- Open Source
#Programming #Online Learning #Online Education 1 social mentions
RosettaGit Landing Page
10

RosettaGit

GitHub-hosted compilation of code for the same solutions across multiple programming languages.
Pricing:
- Open Source
#Online Courses #Programming #Online Learning
DMOJ Landing Page
11

DMOJ

The DMOJ is a modern contest platform and archive of programming problems.
Pricing:
- Open Source
#Online Courses #Programming #Online Learning 11 social mentions
Colobot Gold Landing Page
12

Colobot Gold

Colobot Gold is modified version of the original https://alternativeto.
Pricing:
- Open Source
#Education #Games #Online Learning 10 social mentions