CTFdvsK16S
Two self-hosted Education projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| CTFd | K16S | |
|---|---|---|
| Score | 70/100 | 43/100 |
| Rank in category | #1 of 30 in Education | #22 of 30 in Education |
| GitHub stars | 6 893 | 226 |
| Stars, last 30 days | +43 | — |
| Stable releases, 12 months | 9 | 0 |
| Latest release | 3.8.9 · 22 Oct 2026 | — |
| Setup | Easy | Advanced |
| Official Docker image | Yes | No |
| License | Apache-2.0 | Other |
| Main language | Python | Shell |
Which one should you pick?
CTFd scores 70/100 against 43/100 for K16S, so it is the safer default.
CTFd ships more often: 9 stable releases in the past year, against 0 for K16S.
If you want the quickest setup, CTFd is easier to run; K16S needs more configuration.
CTFd is growing faster right now (+43 stars in 30 days).
CTFd details →K16S details →All Education projects →
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