https://cauldron.io/ Level Up Software Development Analytics
Open source stack that uses #elasticsearch and custom #kibana dashboards to help with analysis of software communities.
Can extract data from git, gitlab, github and meetup.com ...
Part of https://chaoss.github.io/grimoirelab/ and https://chaoss.community/
Tested on some repos from the @yunohost community - kudos to them 🎉