Nmap (Network Mapper) is a free and open source utility for network discovery and security auditing. Nmap uses raw IP packets in novel ways to determine what hosts are available on the network, what services (application name and version) those hosts are offering, what operating systems (and OS versions) they are running, what type of packet filters/firewalls are in use, and dozens of other characteristics.
Advanced bayesian spam filter with a simple, easy to understand interface.
Alternative solution to manual encryption or PSE keys.
Use an unofficial Inbox by Gmail client for desktop platforms.
A complete replacement for Microsoft Outlook that makes you a better manager.
Enables you to read "winmail.dat" attachment files.
Utility integrated with Apple's Mail application and SpamCop.net.
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