Top 12 Open-Source Alternatives to CodeSignal

Product categories

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

Summary

The top open-source alternatives to CodeSignal 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 #Online Courses 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
DMOJ Landing Page
5

DMOJ

The DMOJ is a modern contest platform and archive of programming problems.
Pricing:
- Open Source
#Online Education #Online Learning #Programming 11 social mentions
Daily Coding Problem Landing Page
6

Daily Coding Problem

Get exceptionally good at coding interviews
Pricing:
- Open Source
#Online Learning #Online Education #Coding 1 social mentions
Bomberland by Coder One Landing Page
7

Bomberland by Coder One

A multi-player AI sandbox to practise machine learning.
Pricing:
- Open Source
#Online Learning #Online Education #Online Courses
Good Code Landing Page
8

Good Code

Free front end coding challenges
Pricing:
- Open Source
- Free
- Free Trial
#Design Tools #Developer Tools #Online Learning 1 social mentions
Colobot Gold Landing Page
9

Colobot Gold

Colobot Gold is modified version of the original https://alternativeto.
Pricing:
- Open Source
#Education #Games #Kids Education 9 social mentions
Learn X in Y minutes Landing Page
10

LXY

Learn X in Y minutes

LearnXinYminutes isn’t a good way to learn your first programming language, but it’s a great way to...
Pricing:
- Open Source
#Online Learning #Online Education #Developer Tools 146 social mentions
Filtered Landing Page
11

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
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
#Online Learning #Online Courses #Online Education 233 social mentions