This site shows the progress towards Python 3 compatibility of the top 200 projects on PyPI. The data is collected via the Python 3 Wall of Shame/Superpowers. The Python 3 Wall of Superpowers (as it is now know) show the current python 3 compatibility status of the top 200 downloads on PyPI.
This site was created by Lee Begg of Begg Digital.
Time runs vertically down the page and each row is a day. The rank is from left to right (top download on the left, 200th most downloaded package on the right).
From August 25
Through to 26 August