MetaDirectory
- Plone
- Content Management System built on top of the open source application server Zope and the accompanying Content Management Framework. Plone can used as an intranet and extranet server, as a document publishing system, a portal server and as a groupware tool for collaboration.
- Alternative Plone skins
Includes commercial and free Plone skins with online demo and download area.
- The MySite Tutorial
Provides an introduction to product development for Plone for site managers that feel the need to turn into file-system based product development but have no clue where to start.
- NextG Solutions
Provides Zope based software engineering services and consulting packages. Includes services description and team list.
- Plone course by Upfront Systems
The course covers general working with Plone, customization and developing own types. It's under the Creative Commons Attribution - NonCommercial License.
- PloneCollectorNG
Flexible Plone-based bugtracking system.
- Two Books On Plone
Plone books reviews. Includes Andy McKay's book "Definitive Guide to Plone" and "Plone Content Management Essentials" target="_blank" by Julie C. Meloni.