Top 6 Open-Source Alternatives to Codier

Codier

Explore and attempt front-end coding challenges.

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Online Education Online Courses Online Learning Programming CSS Games CSS Tools Coding Design Tools Education Exam Preparation Learn To Code

Summary

The top open-source alternatives to Codier are LeetCode, Exercism, and Codewars. 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 544 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 318 social mentions
Codewars Landing Page
3

Codewars

Achieve code mastery through challenge.
Pricing:
- Open Source
#Education #Online Courses #Online Learning 160 social mentions
Project Euler Landing Page
4

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
Flexbox Froggy Landing Page
5

Flexbox Froggy

A game for learning CSS flexbox
Pricing:
- Open Source
#Online Education #CSS Tools #Design Tools 268 social mentions
DMOJ Landing Page
6

DMOJ

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