Online-Voting-System for Election in Colleges

Production-ready Caddy HTTP middleware module for ALTCHA captcha verification. Protects web applications from automated abuse using cryptographic proof-of-work challenges.

A lightweight Python CAPTCHA generator using random character selection. Generates alphanumeric CAPTCHAs with special characters for basic security implementations.

A secure and reusable CAPTCHA service built with Java Servlets to generate and validate CAPTCHA images for any web application.

Modern CAPTCHA-like challenges for users

AI Verification System for AI-Only Communities. AI only! Humans stay out!

Captcha Generator is a simple tool for generating captchas. It returns a random string of characters that can be used as a captcha.

Captcha Generator is a Python file that generates image with a simple Tkinter GUI. It displays image CAPTCHAs directly and saves image CAPTCHA files locally for later use, providing an effective solution for bot protection and user verification.

A Python module for generating animated CAPTCHAs using OpenCV.

Este proyecto muestra un captcha simple hecho con Python y PySide6. Genera un código aleatorio y el usuario debe escribirlo para validarlo. También permite volver a generar el código.

使用SVG生成数学题验证码和字母数字验证码

Full-stack comments with nested replies, file uploads, and CAPTCHA protection (ASP.NET Core, React, PostgreSQL, Docker).

A decentralized captcha for human verification on DApps and other web3 platforms through user wallet

https://github.com/Wolfram33/-Mail-Guard-mit-OctaPass