Browse free open source Anti-Spam software and projects below. Use the toggles on the left to filter open source Anti-Spam software by OS, license, language, programming language, project status, and freshness.
An easy-to-use anti-spam email gateway
Anti-Spam SMTP Proxy Server implements multiple spam filters
Open-Source Phishing Framework
Keep your Ad-Blocker active, when you visit a website and it asks you
Anti Spam SMTP Gateway
Mod of the original Faucet-in-a-Box faucet PHP script
Anti Spam AddIn / Plugin for Outlook
ASP or PHP Captcha, completly configurable, with prevalidation
Remote anti spam utility
Block or allow connections by country address blocks
This Plugin provides very simple and powerful captcha for your blog
Advertising domain filtering list
A simple PHP-AJAX captcha application
CIDRAM: Classless Inter-Domain Routing Access Manager.