47. Optional

• zc3.form
• Portlets
• ZCA in depth
• ZODB
• RelStorage
• More and more complex fields
• Custom edit forms
• Users, authentication, member profiles, LDAP
• Caching (plone.app.caching)
• Migrations
• Asynchronous processing
• Talking with external APIs
• Releasing Your Code
• Grok
• Professional Deployment