Captcha Tools
The most-adopted captcha tool we track is Cloudflare Turnstile (957 sites). We've detected 7 captcha tools across 1040 public launches.
Captcha tools we've detected
| Tool | 90‑day | Sites |
|---|---|---|
Cloudflare Turnstile
site ↗
Privacy-friendly CAPTCHA replacement.
|
957 | |
hCaptcha
site ↗
Privacy-friendly bot-detection challenge service, marketed as a Google reCAPTCHA alternative.
|
144 | |
|
Solve Media
CAPTCHA service that uses branded type-in challenges as ad units.
|
3 | |
|
Alibaba Cloud CAPTCHA
site ↗
Bot-detection CAPTCHA and human-verification service from Alibaba Cloud.
|
1 | |
|
Cap (CAPTCHA)
Open-source proof-of-work CAPTCHA alternative using WebAssembly.
|
1 | |
Friendly Captcha
site ↗
Privacy-friendly, proof-of-work CAPTCHA alternative for forms.
|
1 | |
mosparo
site ↗
Open source, self-hosted spam protection for web forms that analyses submitted content instead of using puzzle-based captchas.
|
1 |
Launches using Captcha tools
| Launch | Launched | Score |
|---|---|---|
| Leenar | Jul 18, 2026 | 9.4 |
| Startup Idea Canvas (Notion Template) | Jul 18, 2026 | 7.8 |
| TalkScrolls | Jul 18, 2026 | 9.5 |
| ZillaSoft | Jul 18, 2026 | 10.0 |
| SteamCue | Jul 18, 2026 | 10.0 |
| Talorr AI | Jul 18, 2026 | 10.0 |
Often built with
Categories the captcha sites we track also commonly use: