Anti-Spam SMTP Proxy Server implements multiple spam filters
Open-source GitHub repository abuse detection and response system
Remote anti spam utility
An easy-to-use anti-spam email gateway
Mod of the original Faucet-in-a-Box faucet PHP script
Open source DMARC implementation
Secure mail + Tor gateway
Encrypting, anonymous, unlimited size message transfer system
ICAP Daemon that implements content scanning
A static source code analyser for vulnerabilities in PHP.
Remove most publicity
Advertising domain filtering list
WordPress IP Address Blocker stops the Spam Visitors & malicious IPs.
Catch-a spammer with a CAPTCHA.
Advanced Spamming Tool
Detects changes to your Website, finds malware