Anti-Spam SMTP Proxy Server implements multiple spam filters
Free portable cross-platform graphical multi-user password manager
Google Apps Script to send third party recruiter email to spam
a free cross platform checksum utility, supports 58+ hash algorithms
360-FAAR Analyze FW1 Cisco Netscreen Policy Offline Using Config/Logs
PHP 404 pages to trap malicious web requests and report abusers
SecQua tries to quantify the security of a given Information System