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WebDecoy/FCaptcha

Self-hosted, invisible CAPTCHA that detects AI agents driving real browsers. GDPR, WCAG 2.2 AA, and EAA: no cookies, no third-party data sharing, and no visual or audio puzzle. With a false-positive budget enforced in CI. Proof of work, drop-in for Turnstile and reCAPTCHA.

Visit GitHub
JavaScript
222
25
3 contributors
MIT License
website
FeaturedAdvertise to 180K+ monthly visitors
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Momentum

How fast WebDecoy/FCaptcha is gaining stars, and where it lands on Trendshift and GitHub Trending

Activity and trending

Stars, forks and merged pull requests each day or month, lined up with the repository's rank on Trendshift Trending

Aug 20 – Oct 19, 2026

Stars +37 in 61 days

024
4

Forks +8 in 61 days

012
2

Merged PRs 67 in 61 days

051015
15

Trendshift Trendingwhere the repository ranked each day it made the top 25

Not in the Trendshift top 25 in this period

Aug 20Aug 28Sep 5Sep 13Sep 21Sep 29Oct 7Oct 15
The left and right arrow keys step from day to day; Home and End go to the first and the last

Stars, forks, merged pull requests and Trendshift Trending rank, by day
DayStars gainedForks gainedMerged PRs
Thu, Aug 20, 2026+0+03
Fri, Aug 21, 2026+0+00
Sat, Aug 22, 2026+1+00
Sun, Aug 23, 2026+1+015
Mon, Aug 24, 2026+2+00
Tue, Aug 25, 2026+1+00
Wed, Aug 26, 2026+0+00
Thu, Aug 27, 2026+0+00
Fri, Aug 28, 2026+1+00
Sat, Aug 29, 2026+0+00
Sun, Aug 30, 2026+0+01
Mon, Aug 31, 2026+1+00
Tue, Sep 1, 2026+0+00
Wed, Sep 2, 2026+0+00
Thu, Sep 3, 2026+1+00
Fri, Sep 4, 2026+1+00
Sat, Sep 5, 2026+2+00
Sun, Sep 6, 2026+0+00
Mon, Sep 7, 2026+4+10
Tue, Sep 8, 2026+1+20
Wed, Sep 9, 2026+2+02
Thu, Sep 10, 2026+0+00
Fri, Sep 11, 2026+2+01
Sat, Sep 12, 2026+2+00
Sun, Sep 13, 2026+0+00
Mon, Sep 14, 2026+0+08
Tue, Sep 15, 2026+1+00
Wed, Sep 16, 2026+0+00
Thu, Sep 17, 2026+1+00
Fri, Sep 18, 2026+0+00
Sat, Sep 19, 2026+0+00
Sun, Sep 20, 2026+1+10
Mon, Sep 21, 2026+0+00
Tue, Sep 22, 2026+0+00
Wed, Sep 23, 2026+1+00
Thu, Sep 24, 2026+1+06
Fri, Sep 25, 2026+1+00
Sat, Sep 26, 2026+0+12
Sun, Sep 27, 2026+0+01
Mon, Sep 28, 2026+3+00
Tue, Sep 29, 2026+1+00
Wed, Sep 30, 2026+0+02
Thu, Oct 1, 2026+1+00
Fri, Oct 2, 2026+0+00
Sat, Oct 3, 2026+0+00
Sun, Oct 4, 2026+0+06
Mon, Oct 5, 2026+0+00
Tue, Oct 6, 2026+0+04
Wed, Oct 7, 2026+0+00
Thu, Oct 8, 2026+0+00
Fri, Oct 9, 2026+0+00
Sat, Oct 10, 2026+1+10
Sun, Oct 11, 2026+0+00
Mon, Oct 12, 2026+0+06
Tue, Oct 13, 2026+1+15
Wed, Oct 14, 2026+0+03
Thu, Oct 15, 2026+0+00
Fri, Oct 16, 2026+1+12
Sat, Oct 17, 2026+0+00
Sun, Oct 18, 2026+1+00
Mon, Oct 19, 2026+0+00
Total+37+867
  • 1#1 on the list
  • 7Rank that day
  • Not trending

Social mentions

Recent discussions about this repository across the web
  1. Jul 281 post

    • A CAPTCHA that catches AI agents, bots, and headless browsers via 40+ behavioral signals, device & TLS fingerprinting, and SHA-256 proof of work. Self-hosted and privacy-first.

      Read full on Reddit

      r/PoisonFountain

  2. Jul 254 posts

    • [FREE] We're the team that built F***Captcha (a captcha to Detect AI Agents) and now we're releasing a Wordpress Plugin

      Read full on Reddit

      r/WordpressPlugins

    • [PROMO] We're the team that built F***Captcha (a captcha to Detect AI Agents) and now we're releasing a Wordpress Plugin

      Read full on Reddit

      r/Wordpress

    • I've been working on an open-source invisible CAPTCHA specifically designed to detect AI

      Read full on Reddit

      r/AutoGPT

    • I've been working on an open-source invisible CAPTCHA specifically designed to detect AI

      Read full on Reddit

      r/developersIndia

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