I2P is an anonymizing network, offering a simple layer that identity-sensitive applications can use to securely communicate. All data is wrapped with several layers of encryption, and the network is both distributed and dynamic, with no trusted parties. This is the source code release version.

Suricata is a network intrusion detection and prevention engine developed by the Open Information Security Foundation and its supporting vendors. The engine is multi-threaded and has native IPv6 support. It’s capable of loading existing Snort rules and signatures and supports the Barnyard and Barnyard2 tools.

Lynis is an auditing tool for Unix (specialists). It scans the system and available software to detect security issues. Beside security related information it will also scan for general system information, installed packages and configuration mistakes. This software aims in assisting automated auditing, software patch management, vulnerability and malware scanning of Unix based systems.

Secure rm (srm) is a command-line compatible rm(1) which completely destroys file contents before unlinking. The goal is to provide drop in security for users who wish to prevent command line recovery of deleted information, even if the machine is compromised.

ipset-bash-completion is programmable completion code for the bash shell, to support the ipset program (netfilter.org). It allows you to interactively retrieve and complete options, commands, set names, types, and members.

X2Engine versions 4.1.7 and below suffer from an unrestricted file upload vulnerability due to poor use of a blacklist.

X2Engine versions 2.8 through 4.1.7 suffer from a PHP object injection vulnerability.