system for managing development buildouts

Zope Component Architecture

Zope Configuration Markup Language (ZCML)

Deferred imports of Python modules

Zope Deprecation Infrastructure

Very basic event publishing system

Zope exceptions for Python 3

Hookable object support

Message Identifiers for internationalization

Interfaces for Python3

Tools for working with object locations

Generic transparent proxies for Python

zope.interface extension for defining data schemas

Zope Security Framework

Zope testing helpers for Python 3

Flexible test runner with layer support for Python 3