OWASP Coraza WAF is a golang modsecurity compatible firewall library
An authorization library that supports access control models
Spring Security With JWT
The SpotBugs plugin for security audits of Java web applications
PHP strong authentication library, web interface & CLI, OATH certified
A dead simple VPN
AS2 1.1 server implementation in Java
Secure wiping/shredding of free disk space with many methods
Implementation of GlobalPlatform smart card specification
Identity management and federations integration
Provides encryption & password hashing for your app or Hibernate POJOs
cross-platform, encryption application
Password Safe encrypted databases, Java library
Free portable cross-platform graphical multi-user password manager
System for anonymous Web browsing
Centralized signing and verification
HOFAT - graphical Hash Of File And Text calculator, 100%-pure Java
a free cross platform checksum utility, supports 58+ hash algorithms
Java password management tool
Java SSH API
Whonix is an Anonymous Operating System.
Firing Range is a test bed for web application security scanners