PicoContainer

PicoContainer is a highly embeddable, full-service, Inversion of Control (IoC) container for components honor the Dependency Injection pattern. The project started in 2003 and pioneered Constructor Injection auto-wiring. It is also Open Source and therefore free to use. The license is BSD and thus you can safely use this with commercial or other open source software.

PicoContainer 2.14 is the Latest Released Version, and the download is disponible here. The project is hosted in http://picocontainer.codehaus.org/.