The CTF101 wiki introduces Capture the Flag competitions and explains related security concepts.
CTFtime
vsHackers101
CTFtime vs Hackers101
How do CTFtime and Hackers101 compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | CTFtime | Hackers101 |
|---|---|---|
| What it is | CTFtime lists upcoming and past Capture the Flag events, teams, tasks, ratings, and writeups. | Hacker101 offers a free web security class with lessons and Capture the Flag challenges. |
| Website | ||
| Type | Website | Website |
| Topic | ||
| Pricing | Not confirmed | Not confirmed |
| Platforms | Web | Web |
| Open source | Not stated | Not stated |
| Language | English | English |
| Alternatives |
Other options to consider
Sites similar to both CTFtime and Hackers101.
CTF Sites lists Capture the Flag sites and provides a directory for finding cybersecurity challenges.