An advanced, yet simple, tunneling/pivoting tool
Anti-Spam SMTP Proxy Server implements multiple spam filters
AWStats Log Analyzer
AS2 1.1 server implementation in Java
Add digital signatures to PDF documents - GUI and CLI, cross-platform
UFONet - Denial of Service Toolkit
Wapiti is a web-application vulnerability scanner
PHP strong authentication library, web interface & CLI, OATH certified
Strong Email & Apache Log Analysis with Active Security Features
Automatically updates and applies certificate revocation lists
Java SSH API
GMR digital signature system
Open Source PKI solutions
password safe / manager for linux and windows (and mac ?) via qt
CrococryptQuerl is a web-based file encryption & transfer tool
Encrypting, anonymous, unlimited size message transfer system
Generador de diccionarios de ataque multi-plataforma y parametrizable
NTLMv2 authentication library and filter for Java
Web-based application to execute shell commands.
Multithreaded Proxy Enumeration Utility
Automatic SQL Injection Exploitation Tool