Method and property caching decorators
Cataloging and Indexing Framework for the Zope Toolkit
Zope Component Architecture
Zope Configuration Markup Language (ZCML)
Content Provider Framework for Zope Templates
Pluggable object copying mechanism
Copy, Paste and Move support for content components.
zope.deferredimport allows you to perform imports names that will only be resolved when used in the code.
Zope Deprecation Infrastructure
Resolver for Python dotted names.
Zope Dublin Core implementation
An error reporting utility for Zope3
Basic HTTP and Browser exception views.
Very basic event publishing system
Fanstatic integration for Zope.