These framework providers are almost as close to buying as you can get, but still require a fair amount of engineering. The big difference between these providers and PaaS is that they provide more of a black box approach — you have less freedom to customize the APIs and infrastructure. Often they’ll provide the UI as well.
All items, tasks, and attached files are stored in each user’s personal Google Drive account. Gmail and Google Calendar are synced completely client-side, which means that emails and appointments do not pass through and are never stored on our servers.