Codewars offers community-created coding exercises called kata, with practice across more than 55 programming languages.
Build your own X
vs30 Seconds of Code
Build your own X vs 30 Seconds of Code
How do Build your own X and 30 Seconds of Code compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Build your own X | 30 Seconds of Code |
|---|---|---|
| What it is | Build Your Own X teaches programming by guiding readers through recreating familiar technologies. | 30 Seconds of Code offers hundreds of short coding articles to help readers practice programming skills. |
| Website | ||
| Type | Open-source project | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Not recorded | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both Build your own X and 30 Seconds of Code.
CodeAbbey offers programming problems for practice, with recent challenges and a programming certificate.
Coding Problems provides solutions to coding and algorithm problems and multiple programming exercises.
Open source
24 alternatives
AtCoder hosts online programming contests, including beginner and heuristic contests, with practice contests for new users.
Hacksplaining teaches secure coding through interactive browser lessons covering OWASP Top 10 and GenAI threats.
Freemium
24 alternatives
Rosetta Code presents solutions to the same programming tasks in multiple languages for comparison.