Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
Codility
vsAtCoder
Codility vs AtCoder
How do Codility and AtCoder compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Codility | AtCoder |
|---|---|---|
| What it is | Codility Developer Training offers hands-on programming lessons, including exercises on topics such as binary gaps. | AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | — |
| Alternatives |
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