spam-filter

Rapid spam filtering system.

A very aggressive filter-list that consolidates over 370 lists for use in AdGuard Home, Pi-Hole or similar.

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

Automation pattern detection for open source maintainers

Next-generation firewall (NGFW) that supports blocking SocialClub Overlay notifications.

A privacy-first, open-source Android SMS app with on-device AI spam detection, built with Avalonia

PHP spam protection. CAPTCHA-free and reCAPTCHA alternative. Powered by background scoring without challenging website visitors.

Thunderbird add-on that shows the spam score your mail server already assigned to each message, in a colour-coded mail-list column with a rule-by-rule breakdown. Reads SpamAssassin, rspamd, MailScanner, OVH, Sophos and more.

An SMS app for Iranian users.

Adds missing features to X (Twitter) on the web: layout options, spam reply filter, data badges, writing tools, quick actions. 给 X 网页端补上常用但缺失的功能：页面布局、垃圾回复过滤、数据标注、创作辅助、快捷互动。

a bayes classifying spam mail filter written in Go

Minimal grammY Telegram anti-spam bot powered by TypeSafe Jev

Ruby spam protection for forms. Alternative to reCAPTCHA. No CAPTCHA. Bot filtering.

C# spam protection for web forms. reCAPTCHA alternative

Identifying and distinguishing spam SMS and Email using the multinomial Naïve Bayes model.

WP Anti-Spam

Anit-spam extension for Yii framework.

INBUXA mail server: an AGPL-3.0-only fork of Stalwart

Stop babysitting your inbox. Self-hosted IMAP email processor with custom rules and spam learning/filtering, all configured through a simple web UI.

Joomla 3+ Anti-Spam by CleanTalk