an application that lets you monitor TCP and UDP activity on your local system. It a powerful tool for tracking down network-related configuration problems and analyzing application network usage.
Encryption Toolkit that provides anyone with the ability to add strong security capabilities to an application in as little as half an hour, without needing to know any of the low-level details that make the encryption or authentication work.
a URL based identity system. An OpenID identity is simply a URL, and all the OpenID specification does is provide a way to securely prove that you own that ID on that URL. Unlike most identity systems, OpenID is completely decentralized.
dual-licensed implementation of SSL. It includes SSL client libraries and an SSL server implementation. It supports multiple APIs, including those defined by SSL and TLS. It also supports an OpenSSL compatibility interface.
can identify and stop sites trying to phish (steal) your personal information or money. The OpenDNS phishing protection works with all operating systems and browsers, and complements any other security measures already in use, such as a firewall and anti-
offers the free service to timestamp any publicly available digital document. Timestamping creates evidence, that some digital data already existed at a specific date.
a free, open-source password manager or safe which helps you to manage your passwords in a secure way. You can put all your passwords in one database, which is locked with one master key or a key-disk. (there is also a freakish .net version)
Filter Unnecessary JPEG Data by removing unnecessary data from images you email or post on the net, without affecting the image quality whatsoever (no decompression/recompression is performed in the filtration), removing such extraneous information