Apache Block Bad Bots, (Referer) Spam Referrer Blocker, Vulnerability Scanners, Malware, Adware, Ransomware, Malicious Sites, Wordpress Theme Detectors and Fail2Ban Jail for Repeat Offenders

Nginx Block Bad Bots, Spam Referrer Blocker, Vulnerability Scanners, User-Agents, Malware, Adware, Ransomware, Malicious Sites, with anti-DDOS, Wordpress Theme Detector Blocking and Fail2Ban Jail for Repeat Offenders

Project dedicated to fight Layer 7 DDoS with proof of work, with an additional WAF and controller. Completed with full set of features and containerized for rapid and lightweight deployment.

A Friendly Captcha Verification API REST client to verify puzzle solutions

Email filters for Proton Mail and other providers accepting SIEVE filters. These filters are to block/discard known spam domains.

Protect your website from bots with Prosopo Procaptcha

GDPR compliant, self-hosted CAPTCHA alternative. Now with API and a Spam Filter!

4DC is a multi-purpose discord.js v14 bot

Addon für REDAXO 5, das effektiv Anfragen von Spambots blockiert – ganz ohne Captcha!

The modern spam protection. Protects your forms from spam by simply checking the content. Open source, Free to use, Accessible, and Self-Hosted.

WordPress plugin for Friendly Captcha. Protect WordPress website forms from spam and abuse with Friendly Captcha, a privacy-first anti-bot solution.

OOPSpam Anti-Spam API blog

OOPSpam project website

Stop Spammers — WordPress Plugin

The Spam Mail Classification project is a web-based application that uses machine learning to classify emails as spam or ham. It features a Flask backend, a frontend created with HTML, CSS, and JavaScript, and a MySQL database for storing user data and email classifications.

Automate the control over the visitors of your MyBB site

List of disposable email domains. You can use it to block fake users on your newsletter.

The WordPress Zero Spam plugin makes blocking spam a cinch without all the bloated options. Just install, activate, and say goodbye to spam.

Another Telegram anti-spam bot without disturbance.

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.