Github
https://github.com/xiongchiamiov/github-pr-stats
number of days opened
number of comments created
basis stats about merged/closed rate
https://github.com/chiku/hotspots
Identify frequently modified files in a git repository
Github analysis tools
Code Complexity
https://codeclimate.com
code complexity
automated PR review with various linters & testability
free for open source, but only on master branch (as-of Jul 2016)
Release Pipeline
GoCD statistics tab:
https://gocd.tools.edx.org/go/pipelines/PROD_edx_edxapp_Rollback_latest/99/rollback_asgs/1/stats
Splunk reports
Rollbacks:
https://goo.gl/9R4o4b
Deployments:
https://goo.gl/MPqRiK
Hotspots
https://github.com/chiku/hotspots