Bitbucket activity graph
Take a look at Awesome Graphs for Bitbucket add-on
From http://blog.bitbucket.org/2015/06/10/atlassian-connect-for-bitbucket-a-new-way-to-extend-your-workflow-in-the-cloud
If you are currently a user of Bitbucket and want to take a sneak peak, click on your avatar, select “Manage Account”, and simply install these new add-ons by selecting “Find new add-ons” from the left menu.
Here is the add-on's release notes page: https://docs.stiltsoft.com/awesome-graphs/cloud/release-notes-cloud
I used gitstats and it was amazing. Just what I was looking for.
http://gitstats.sourceforge.net/
I just cloned the repo, installed gnuplot with homebrew on OSX, and voila. I had full nice stats in a few seconds. No need to have admin permissions to install in bitbucket. No use of the cloud and giving others view of my stats. It produces a TON of nice charts. Not probably as pretty as true professional ones, but did the job for sure.
Here's a quick example of a rewrite of our apps to Flutter:
Click on account at top-right corner -> integrations -> Awesome Graphs -> add