captcha of base64 image string

PHP Captcha library

🍯 Unobtrusive and flexible spam protection for Rails apps

The widget and docs for the proof of work challenge used in Friendly Captcha. Protect your websites and online services from spam and abuse with Friendly Captcha, a privacy-first anti-bot solution.

PHP-based anti-virus anti-trojan anti-malware solution.

Anti-spam bot for Telegram and general-purpose anti-spam library and server

Spam Scanner is a Node.js anti-spam, email filtering, and phishing prevention tool and service. Built for @ladjs, @forwardemail, @cabinjs, @breejs, and @lassjs.

A Discord Bot that allows you to protect your Discord server with captcha, anti profanity, anti nudity image, anti spam, account age required, logs...

A collection of research and survey papers of fraud detection mainly in advertising.

Awesome list of AI for cybersecurity including network (network traffic analysis and intrusion detection), endpoint (anti-malware), application (WAF or database firewalls), user (UBA), process behavior (anti-fraud).

Google ReCAPTCHA v3 for Symfony

UTM Firewall on OpenBSD

CIDRAM: Classless Inter-Domain Routing Access Manager.

Gojo Satoru is an anime themed group management bot built with python and pyrogram with anti-spam feature

暴恐违禁 文本色情 政治敏感 恶意推广 低俗辱骂

Anti-Spam bot for Discord

The ultimate chat solution. Prevent spam, ads, swears and even bots on your server. Replaced by ChatControl Red: https://mineacademy.org/chatcontrol-red

Postfwd plugin for blocking international spam botnets based on geographical location of IP addresses used to login to postfix via sasl.

非常灵活精准的处理、过滤，只看真正想看的信息。Awesome-Filter 公益项目. Personal information filtering 适用于个人或家庭的信息管理库(侧重信息过滤与内容筛选，含RSS).全方位精确过滤,反垃圾与不良信息工具/技术/经验. 科学高效使用网络，防治信息爆炸信息焦虑等信息病，保护精神卫生与身心健康。独立自主，做信息的主人。欢迎建议,欢迎共同完善.https://t.me/zhurenrangda

Provide challenges for newly joined members