CTFdvsFreeLingo
Two self-hosted Education projects, compared on the numbers selfhost.directory tracks live: score, popularity, release cadence and setup effort.
| CTFd | FreeLingo | |
|---|---|---|
| Score | 70/100 | 46/100 |
| Rank in category | #1 of 30 in Education | #18 of 30 in Education |
| GitHub stars | 6 894 | 210 |
| Stars, last 30 days | +44 | — |
| Stable releases, 12 months | 9 | 10 |
| Latest release | 3.8.9 · 22 Oct 2026 | v1.10.60 · 24 Oct 2026 |
| Setup | Easy | Advanced |
| Official Docker image | Yes | Yes |
| License | Apache-2.0 | AGPL-3.0 |
| Main language | Python | JavaScript |
Which one should you pick?
CTFd scores 70/100 against 46/100 for FreeLingo, so it is the safer default.
FreeLingo ships more often: 10 stable releases in the past year, against 9 for CTFd.
If you want the quickest setup, CTFd is easier to run; FreeLingo needs more configuration.
CTFd is growing faster right now (+44 stars in 30 days).
CTFd details →FreeLingo details →All Education projects →
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