Stage and Gallery are the presumed evolution of Google’s acquisitions of Pixate and Form. They are being teased via the new Material Design website material.io. While specifics vary between the two, Gallery specifically alludes to Sketch support and a 2017 launch.
Both are in pre-release mode, but each product’s landing page offers the ability to request an invite for early access:
- Stage – Define dynamic interfaces with interactive motion
- Gallery – Design collaboration, simplified