Protect your website from bots with Prosopo Procaptcha

Anti-DDoS-Lite (Anti-Crawler app) is a small PHP app to protect your site against DDoS attack.

Unveil hidden messages within images using Minesweeper-inspired decoding. Left-click to reveal clues, right-click to flag suspected mines. Decode correctly to reveal parts of the image. No blind flagging! Also serves as human verification.

A Model Context Protocol (MCP) server implementation that exposes Pearl's AI and Expert services through a standardized interface

A tool for human verification.

Humangram is a social proof of humanity plugin for HUMAN protocol on Telegram.

A decentralised, AI-proof, federated trust standard for humans, not robots. Cypherpunks Assemble!

Easy to use tool to estimate users age

A lightweight, client-side CAPTCHA library designed to protect web forms from automated bot submissions without relying on any external APIs or dependencies. Built entirely in vanilla JavaScript and rendered via HTML5 Canvas, it provides secure, user-friendly visual verification challenges that seamlessly integrate into any HTML form.

A permissive software license that prevents mindless AI-generated commercial exploitation

A JavaScript plug-in to authenticate users based on their perception and sketching capabilities of basic shapes like triangles, star etc.

A modern React CAPTCHA component library with advanced human verification

Human verification system (behavior + face analysis) using Streamlit, OpenCV, DeepFace.

Official SDKs for the Pearl API, providing robust and easy-to-use libraries for interacting with Pearl's API

🛡️ Protect web forms from bots with a lightweight, secure, and privacy-focused JavaScript CAPTCHA solution that enhances user experience without external services.