If anyone is interested I’m running weekly reports of the Home Assistant repositories with RocketGraph. These show commit stats for the last 90 days and a neat visual calendar for the current calendar year.
home-assistant: https://rocketgraph.com/s/O163F6yWdgR
home-assistant-polymer: https://rocketgraph.com/s/AfvsRKE_WfB
home-assistant.io: https://rocketgraph.com/s/PvCS9rv7ODL