ZODB vs. pysqlite with SQLObject
two good options for an embedded, transactional database that can be conveniently used in a non-free Python application: the ZODB and sqlite.
Idiotprogrammer » Python/Zope/Plone
Apache and Zope Hosting - Nidelven IT
The Zope Developers Guide
Plone: Understanding permissions and security
Gain Zope Enlightenment By Grokking Object Orientation
Cataloging SQL Data and Almost Anything Else with ZCatalog
Sending mail with attachments via Python
Successful exUserFolder Plone implementation example! odbc conne ction, user authenticated in Plone
discussion on learning zope
The Definitive Guide to Plone — PloneDocs
zopewiki.org HowToRunZopeUnitTests
Zope.org - CMF News Feed
How-tos — plone.org
collection of plone howto's on variety of subjects
zope persistence
zopewiki.org PageTemplateStyleGuide
Content management with Plone
Writing Zope Products (2)
writing Zope Products
OpenApp - Zope and Python Training
developers guide to learning zope (based on zope version 2.2)
but has useful links
ATContentTypes
Content Management Software - Plone products
PloneDocs - The Definitive Guide to Plone