With the Google Admin SDK, users can administer domain resources, create reports, and manage subscriptions. APIs related include Directory API, Reports API, Enterprise License Manager API, and Reseller API. The possibilities invite to think in the interaction with admin settings, calendar resources, and domain shared contacts.
Kanvas, the app that allows users to add creative elements to videos, has announced SDK that will enable third party apps to utilize its feature set. The SDK is available to developers for free and offers everything from filters, GIFs, overlays, and much more. The SDK is available cross-platform.