Top 12 Open-Source Alternatives to HackerRank

Product categories

CSS Games CSS Tools Coding Design Tools Developer Tools Digital Interview Platform Education Exam Preparation Online Courses Online Education Online Learning Programming

Summary

The top open-source alternatives to HackerRank are LeetCode, Codewars, and Project Euler. 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
Codewars Landing Page
2

Codewars

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

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
Exercism.io Landing Page
4

Exercism.io

Download and solve practice problems in over 30 different languages.
Pricing:
- Open Source
#Online Learning #Online Education #Online Courses 298 social mentions
Daily Coding Problem Landing Page
5

Daily Coding Problem

Get exceptionally good at coding interviews
Pricing:
- Open Source
#Online Learning #Online Education #Coding 1 social mentions
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
Good Code Landing Page
7

Good Code

Free front end coding challenges
Pricing:
- Open Source
- Free
- Free Trial
#Design Tools #Developer Tools #Online Learning 1 social mentions
DMOJ Landing Page
8

DMOJ

The DMOJ is a modern contest platform and archive of programming problems.
Pricing:
- Open Source
#Online Education #Online Learning #Programming 11 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
Bomberland by Coder One Landing Page
10

Bomberland by Coder One

A multi-player AI sandbox to practise machine learning.
Pricing:
- Open Source
#Online Learning #Online Education #Online Courses
Flexbox Froggy Landing Page
11

Flexbox Froggy

A game for learning CSS flexbox
Pricing:
- Open Source
#CSS Tools #Online Education #Design Tools 252 social mentions
Filtered Landing Page
12

Filtered

Filtered is an online education platform that offers tailored training to individuals and businesses.
Pricing:
- Open Source
#Hiring And Recruitment #Online Learning #Digital Interview Platform