Self-hosted, cookie-free CAPTCHA alternative that uses proof-of-work to block spam and bots without visual puzzles.
2.8K142TypeScriptMITUpdated 16 hours ago
1 alternative
Best open-source alternatives to Cloudflare Turnstile (2026)
Looking for a free, open-source alternative to Cloudflare Turnstile? These 1 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| altcha-org/altcha | ★ 2.8K | MIT | 16 hours ago |
FAQ
- Is there a free, open-source alternative to Cloudflare Turnstile?
- Yes. The most popular open-source alternatives to Cloudflare Turnstile on Repolode are altcha.
- Which Cloudflare Turnstile alternative should I choose?
- altcha has the most GitHub stars and is released under MIT. Compare the license and last commit of each option in the table above before choosing.