The OWASP ZAP core project
Identity & Single Sign On for all earthlings and beyond
The SpotBugs plugin for security audits of Java web applications
Authentication and access-control framework
A simple and efficient security framework
Java SSH API
FIDO strong authentication, encryption, digital signature engine
Tool to detect and correct vulnerabilities in PHP web applications
Fills a rectangle using given tetris shapes
Open Source Penetration Testing / Ethical Hacking Framework
Web Application Vulnerability Scanner Evaluation Project
Open source to productivity
Simulator of access controls
Perform anonymous and non-anonymous pentesting.
web application utilities
Data Access Layer 4 Java
Anti defacement command line tool
TCP/IP API (SSL Encryption, ZLIB Compression)