Software Components

OFBiz framework :
http://www.ofbiz.org/

Objectweb middleware
http://www.objectweb.org/

BPEL engine :
http://www.activebpel.org/

Listing of Java based workflow engines :
http://www.manageability.org/blog/stuff/workflow_in_java/view

Listing of Java based rules engines :
http://www.manageability.org/blog/stuff/rule_engines/view

Listing of Java-based document repositories http://www.manageability.org/blog/stuff/open-source-document-repository

Flash UI:
http://www.laszlosystems.com/products/

Image library
http://freeimage.sourceforge.net/index.html

Mobile apps framework
http://sync4j.funambol.com/main.jsp?main=overview

Apache stack
http://www.gluecode.com/website/index.jsp

Comments

[Jon]

Try these - for component containers

http://excalibur.apache.org/
http://www.picocontainer.org/
http://www.springframework.org/