---
title: "Alternatives"
slug: "alternatives"
category: "topics"
ordinal: 3
---

## Alternatives

There are a number of websites that provide challenges, puzzles, and coding exercises.

They all have different goals and a different focus, and you might enjoy them:

* [CheckiO](http://checkio.org)
* [CodeChef](http://www.codechef.com)
* [CodeEval](http://codeeval.com)
* [Codewars](http://codewars.com)
* [CodingBat](http://codingbat.com)
* [HackerRank](http://hackerrank.com)
* [Matasano Crypto Challenges](http://www.matasano.com/articles/crypto-challenges)
* [Python Practice Projects](http://pythonpracticeprojects.com)
* [TalentBuddy](http://talentbuddy.co)
* [Project Euler](https://projecteuler.net/)

_Note: if you have experience with any of these, feel free to [add sections below](https://github.com/exercism/docs/fork) that describe their interesting features or how they are different from other sites._

---
title: "Alternatives"
slug: "alternatives"
category: "topics"
ordinal: 3
---

## Alternatives

There are a number of websites that provide challenges, puzzles, and coding exercises.

They all have different goals and a different focus, and you might enjoy them:

* [CheckiO](http://checkio.org)
* [CodeChef](http://www.codechef.com)
* [CodeEval](http://codeeval.com)
* [Codewars](http://codewars.com)
* [CodingBat](http://codingbat.com)
* [HackerRank](http://hackerrank.com)
* [Microcorruption](http://microcorruption.com/)
* [Python Practice Projects](http://pythonpracticeprojects.com)
* [TalentBuddy](http://talentbuddy.co)
* [Project Euler](https://projecteuler.net/)

_Note: if you have experience with any of these, feel free to [add sections below](https://github.com/exercism/docs/fork) that describe their interesting features or how they are different from other sites._

Replace dead link to Matasano Crypto Challenges
Replace dead link to Matasano Crypto Challenges

Discussion about the dead link:
https://news.ycombinator.com/item?id=7821028

Since then, the link has not been repaired.  May as well link to the newer interactive challenge by Matasano Security and Square.