Simple customizable captcha script for bot prevention in php language.
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Sep 30, 2021 - PHP
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bot-prevention
Here are 8 public repositories matching this topic...
Graphical CAPTCHA tests generation library for C#
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Aug 8, 2025 - C#
How to use reCaptcha v3 on your website.
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Apr 28, 2019 - PHP
Generate dynamic CAPTCHAs using a lightweight implementation of OpenGL combined with adversarial pattern attack techniques to confuse image recognition software.
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Apr 23, 2026 - Rust
Python game signup service with server-side captcha verification and moderation queues.
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Sep 15, 2026 - Python
Turnstile HTTP bot verification for Go web servers
golang http cloudflare turnstile no-captcha golang-package bot-prevention turnstile-client bot-verify
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Mar 20, 2025 - Go
Human Token Protocol – cryptographic proof-of-humanity for bot prevention
android chrome-extension golang cryptography privacy human-verification threshold-signatures bot-prevention
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Apr 28, 2026 - Kotlin
Capy Inc. — independent third-party profile of a public API surface, by API Evangelist. Capy Inc. operates Lemin Captcha, a gamified bot-prevention and CAPTCHA service that replaces traditional image-selection challenges with playful, brandable puzzle games. Lemin protects websites and apps from automated attacks such as account takeover and creden
security company authentication captcha developer-tools web-security fraud-prevention bot-detection account-takeover apis-json bot-prevention
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Sep 20, 2026
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