We use our open source project Steampipe [1] to query data using the GitHub plugin [2] and mods [3]. We have also opened up the custom mod we built for the specific charts & reports [4].

I hope they help - let us know if you give them a try!

1 - https://github.com/turbot/steampipe 2 - https://hub.steampipe.io/plugins/turbot/github 3 - https://hub.steampipe.io/mods?q=github 4 - https://github.com/turbot/steampipe-mod-community-tracker