stargraph is a Python/command-line tool that collects the star count from GitHub stars and produces nice plots from it.
For example,
stargraph nschloe/stargraph nschloe/quadpy -m 30 -t file-with-gh-token -o nschloe.svg
gives
(GitHub and has a rate limit so you might want to get a token and provide it to stargraph.)
Install with
pip install stargraph
and use the command-line tools as displayed. The -h switch gives more details.
A collection of the GitHub stars for of a number of topics.
This software is published under the GPLv3 license.