QuickHash is a graphical interface data hashing tool. It enables the rapid selection and hashing of data such as text, and more.
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	QuickHash is a graphical interface data hashing tool. It enables the rapid selection and hashing of data such as text, and more.
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	GtkHash is a desktop utility for computing message digests or checksums. An easy to use, graphical alternative to md5sum.
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	Zenmap is an Nmap frontend. It is meant to be useful for advanced users and to make Nmap easy to use by beginners.
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	Angry IP Scanner (or simply ipscan) is an open-source and cross-platform network scanner designed to be fast and simple to use.
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	Nettool is a tool to diagnose the network and services status. It provides a graphical user interface for a number of common network tools.
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	Nmap is a utility for network discovery, administration and security auditing. Nmap also offers flexible target and port specification.
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	Netcat is a networking utility which reads and writes data across network connections, using the TCP/IP protocol.
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	GnuPG stands for GNU Privacy Guard and is a tool for secure communication and data storage. It includes an advanced key management facility.
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	Mailvelope is a browser extension for Google Chrome and Mozilla Firefox that allows the exchange of encrypted emails following OpenPGP.
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	Enigmail is an email plugin to Thunderbird, Seamonkey, and the Mozilla Suite. Send and receive OpenPGP signed and encrypted mail.
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