Explore and attempt front-end coding challenges. C.
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Codier
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 2 |  |
Vim Adventures | Web | Commercial | Website | |
| 3 |  |
Kattis | Web | Commercial | Website | |
| 4 |  |
Edabit | Web | Freemium | Website | |
| 5 |  |
Codeeval | Web | Free | Website | |
| 6 |  |
HackerRank | Web | Free Personal | Website | |
| 7 |  |
Project Euler | Web | Free | Website | |
| 8 |  |
HackerEarth | Web | Free | Website | |
| 9 |  |
Ruby Warrior | Web | Free Personal | Website | |
| 10 |  |
Devskiller | Web | Mac Windows Android iPhone |
Commercial | Website |
| 11 |  |
KillerCoder | Web | Freemium | Website | |
| 12 |  |
CheckIO |
Web Pycharm WebStorm |
Free | Website | |
| 13 |  |
Codewars | Web | Freemium | Website | |
| 14 |  |
Coderbyte | Web | Freemium | Website | |
| 15 |  |
Codechef | Web | Free | Website | |
| 16 |  |
Topcoder | Web | Free | Website | |
| 17 |  |
Spoj | Web | Self-Hosted | Free | Website |
| 18 |  |
CodeSignal | Web | Commercial | Website | |
| 19 |  |
Screeps |
Web SteamOS |
Mac Windows Linux |
Commercial | Website |
| 20 |  |
LeetCode | Web | Freemium | Website | |
| 21 |  |
Geektastic | Chrome OS Windows iPhone |
Commercial | Website |