five.grok
grokcore.component
grokcore.view
grokcore.viewlet
martian >= 0.11
setuptools
silva.core.interfaces
silva.core.services
silva.translations
zope.container
zope.cachedescriptors
zope.component
zope.configuration
zope.event
zope.interface
zope.lifecycleevent
zope.location
zope.publisher
zope.schema