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Name Description
Revelation GNOME2 Password manager
Snort flexible Network Intrusion Detection System
MoBlock blocks connections from/to hosts listed in a file
FireHOL easy to use but powerful iptables stateful firewall
nmap Front End The Network Mapper Front End
iplist list based packet handler
PacketFence Free and Open Source network access control (NAC) system
Aespipe AES-encryption tool with loop-AES support
tinc Virtual Private Network daemon
TorK An Anonymity Manager For The KDE Desktop
Quamachi Hamachi QUI
pwsafe command line encrypted password database manager
ratproxy passive web application security assessment tool
The Coroner's Toolkit (TCT) collection of forensics related utilities
TrueCrypt Free open-source disk encryption software
Panda Antivirus Command line antivirus utility
GnuPG Agent GNU privacy guard - password agent
GpgSM GNU privacy guard - S/MIME version
Poptop PoPToP Point to Point Tunneling Server
MailScanner email gateway for virus scanning, spam and phishing detection
NCrypt NMRC File Encryptor / Decryptor / Wiper
Forcefield An open-source GUI for truecrypt
Bastille Security hardening tool
ZSafe Password manager with encryption
sshguard Protects from brute force attacks against ssh