Security

• SecPanel
  SecPanel serves as a graphical user interface for managing and running SSH (Secure Shell) and SCP (Secure Copy) connections ...
  
• Lepton's Crack
  Lepton's Crack is a generic password cracker, easily customizable with a simple plug-in system. It can perform a dictionary-based attack, as well as a brute-force password scan. ...
  
• PaX
  PaX is a kernel patch implementing additional security feature - non-executable memory pages. ...
  
• kgpg
  Kgpg is a simple, free, open source KDE graphical interface for GnuPG. ...
  
• pkcrack
  An implementation of a known plaintext attack on password encrypted ZIP archives (method published by Eli Biham and Paulem Kocher, see ftp://utopia.hacktic.nl/pub/crypto/cracking/pkzip.ps.gz). For...
  
• ccrypt
  ccrypt is a commandline utility for encrypting and decrypting files and streams. ...
  
• xtrlock
  Xtrlock locks the X server till the user enters their password at the keyboard. While xtrlock is running, the mouse and keyboard are grabbed and the mouse cursor becomes a blue padlock. Output displa...
  
• TrinityOS
  TrinityOS is a step-by-step, example-driven HOWTO on building a very functional Linux box with strong security in mind. TrinityOS is well known for its strong packet firewall ruleset, Chrooted and Sp...
  
• KSSH
  KSSH is a KDE front-end to ssh. ...
  
• agentValidate
  agentValidate is a Python module designed to facilitate authorization of users before permitting any execution of code. ...
  
• Dropbear
  Dropbear - A small SSH server. ...
  
• pdumpq
  pdumpq can be used to take queued packets from netfilter/iptables and dump them to a file that decoders like tcpdump, ethereal, and snort can read. ...
  
• OpenSSL
  The OpenSSL Project is a collaborative effort to develop a robust, commercial-grade, full-featured, and Open Source toolkit implementing the Secure Sockets Layer (SSL v2/v3) and Transport Layer Secur...
  
• Channel 16
  Channel16 is graphical tool that allows users to browse the content of deleted files in an ext2 filesystem interactively, and to recover them into new files. The application also provides a search an...
  
• NetSPoC
  NetSPoC is a tool for security managment of large computer networks with different security domains. ...
  
• pwcrypt
  A command line interface to the crypt() function. ...
  
• single-honeypot
  single-honeypot simulates many services like SMTP, HTTP, POP3, shell, and FTP. It can show manydifferent faces, including those of Windows FTP systems, Windows SMTP systems, different Linux distribut...
  
• Bilbo
  Bilbo is a PHP frontend to run scans using the security scanner Nessus. ...
  
• sign
  sign is a file signing and signature verification utility. ...
  
• afick
  afick is another file integrity checker, designed to be fast and fully portable between Unix and Windows platforms. It works by first creating a database that represents a snapshot of the most essent...
  
• Scylla Charybdis
  Scylla Charybdis lets you get a data odyssey done with the help of two small monsters. It's easy to use, utilizes SSL (encryption), LIBZ (compression), and simple password protection. A builtin timeo...
  
• motion
  Motion is a program for detecting moving things with a webcam or videocamera (securitycam software). ...
  
• LibTomCrypt
  LibTomCrypt is a comprehensive, modular, and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, p...
  
• Flawfinder
  Flawfinder searches through source code looking for potential security flaws. ...
  
• OpenSST
  Open Simple Secure Transaction ...