Allow users to export multiple layouts at a time with auto categorisation/pack generation.
Developer Docs
Document the creation of a new integration within the plugin, open support for third party developers to add their own integrations. Server side will need some work for each but create a partner program and facilitate.
REST API
Allow developers to pull information about their account from PBC.com via a REST API. this will allow you to make your own admin system and use the PBC back end to handle the heavy lifting
Site Installer Packages
Creation of different types of site from a PBC library or created by users. EG directory, ecommerce, blog etc. plugins added, configurations added and layout defaults set as part of a wizard process