Netcat is a networking utility which reads and writes data across network connections, using the TCP/IP protocol.
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Category: Security
GnuPG – implementation of the OpenPGP standard
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 – browser extension for OpenPGP encryption with Webmail
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 – simple interface for OpenPGP email security
Enigmail is an email plugin to Thunderbird, Seamonkey, and the Mozilla Suite. Send and receive OpenPGP signed and encrypted mail.
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Mymail-Crypt for Gmail
Mymail-Crypt for Gmail OpenPGP browser extension that integrates tightly with Gmail and does encryption/decryption via JavaScript.
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OpenPGP – email encryption
OpenPGP is the most widely used email encryption standard. It’s also used encrypted messaging and other use cases such as password managers.
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nmapsi4 – Qt5-based GUI for Nmap
NmapSi4 is a Qt5-based Gui with the design goals to provide a complete nmap interface for users.
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Umit – Nmap frontend
umit scans the hosts in your network discovering open ports and the services and operating systems that they are running.
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IVRE – network recon framework
IVRE is a framework for network recon. Build your own, self-hosted and fully-controlled alternatives to Shodan, ZoomEye, Censys, and GreyNoise
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knockson – simple multi-threaded port scanner
knockson is a simple multi-threaded port scanner. It’s written in the Rust programming language and published under the MIT License.
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MASSCAN – mass IP port scanner
MASSCAN is an Internet-scale port scanner. It can scan the entire Internet in under 5 minutes, transmitting 10 million packets per second.
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naabu – fast port scanner
naabu is a fast port scanner written with a focus on reliability and simplicity.
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RustScan – modern port scanner
RustScan is a modern take on the port scanner. Sleek and fast in operation. All while providing extensive extendability.
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unimap – scan only once by IP address
Scan only once by IP address and reduce scan times with Nmap for large amounts of data with unimap.
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ZMap – fast single packet network scanner
ZMap is a fast single-packet network scanner optimized for Internet-wide network surveys.
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JavaSnoop – tool for testing Java desktop applications or applets
JavaSnoop is a tool for testing (re: hacking) Java desktop applications or applets.
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Best Free and Open Source Software – Security
Best Free and Open Source Linux Software covering security software, firewalls, web application firewalls, email encryption, port scanners.
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digup – update md5sum or shasum digest files
digup is a console tool to update md5sum or shasum digest files.
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sha3sum – Keccak, SHA-3, SHAKE, and RawSHAKE checksum utilities
sha3sum are fully configurable byte-orientated checksum utilities for Keccak and its close derivatives SHA-3, SHAKE and RawSHAKE.
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Jacksum – data integrity software for working with checksums, CRCs, and message digests
Jacksum is data integrity software for working with checksums, CRCs, and message digests (hashes).
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