Security Frameworks

spring-security-core

Apache Shiro :: Core

PicketBox is a security project for Java Applications.

Acegi Security Core

WildFly Security Manager

AcrIS Security

JSecurity is a powerful and flexible open-source Java security framework that cleanly handles authentication, authorization, enterprise session management, single sign-on and cryptography services.

jGuard is a library that provides EASY security (authentication and authorization) for Java web applications