Wapiti is a web-application vulnerability scanner
UFONet - Denial of Service Toolkit
Xplico is a Network Forensic Analysis Tool (NFAT)
Framework for Man-In-The-Middle attacks
Virtual Appliance of RadicalSpam
Open Source Anti-Spam and Anti-Virus Gateway
An open source malware analysis tool
Geographical IP Correlation
Commands made Easy and practical for Unix/Linux
Spondulas is browser emulator designed to retrieve web pages for hunti
A web crawler oriented to information security.