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

„... another popular solution to fight spam is Antispam Bee“ – Matt Mullenweg, Q&A WordCamp Europe 2014

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

The Swiss Army Knife of battling form spam in your Symfony application!

🥳🔐 Protect your users from using spam emails on signup/form/apis in your Laravel apps

Caterpillar Proxy - The simple web debugging proxy (formerly, php-httpproxy)

Federated Threat Intelligence Service

Challenge/response spam shield for TYPO3 ext:form

IPS Community Suite 4.0 (IP.Board) anti-spam extension.

This WordPress plugins adds the required functionality to use mosparo in your WordPress form.

Wrapper for API www.stopforumspam.com (api.stopforumspam.org)

Dam Spam is a WordPress plugin to help dam spam. Fork of Stop Spammers.

AntiSpam/AntiTerror Content Spam/Ham Training+Testing API

A Symfony bundle for mosparo spam protection

A PHP library to communicate with mosparo.

MASPIK can block form spam emails from being delivered to your inbox!

Specifications for mosparo, like JSON schemes

A plugin for Kirby that provides a spam guard for the Uniform Form plugin. It uses extendable word lists and weights and counts links and emails to determine if a message is spam.

A custom SMTP Honeypot written in PHP, with focus on gathering intel on threat actors and for doing spam forensic work

Host your own mail server with ease