The CTF101 wiki introduces Capture the Flag competitions and explains related security concepts.
Hackers101
vsCTFtime
Hackers101 vs CTFtime
How do Hackers101 and CTFtime compare? Here are the facts side by side: pricing, platforms, open-source status and what each one is for.
| Directory detail | Hackers101 | CTFtime |
|---|---|---|
| What it is | Hacker101 offers a free web security class with lessons and Capture the Flag challenges. | CTFtime lists upcoming and past Capture the Flag events, teams, tasks, ratings, and writeups. |
| 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 Hackers101 and CTFtime.
CTF Sites lists Capture the Flag sites and provides a directory for finding cybersecurity challenges.