A set of various add-ons and patches to ERP5 suite - enhancements, learning tools, additional feature missing in the core version, UI enrichments.
NewChoice Collaboration Platform is a ready-to-use platform for enterprise daily offcie work. It include many modules such as portal, internal notification, web mail, document management, bulletboard, address book, etc.
Plomino is a Plone/ZOPE product which provides users with a Lotus Domino-like application development toolkit. MOVED TO GITHUB: https://github.com/plomino/Plomino