You're looking at StableBuild's Deleted PyPI mirror - where we index all deleted packages from the Python package registry.

activity-browser
0.0.0

This version was deleted from PyPI around 2025-07-17. Installing fails with:
$ pip3 install activity-browser==0.0.0 ERROR: Could not find a version that satisfies the requirement activity-browser==0.0.0
View other deleted versions of activity-browser

Install through StableBuild

You can install this package from StableBuild's PyPI snapshots from before the version was deleted:
pip3 install \ -i https://YOUR_API_KEY.pypimirror.stablebuild.com/2025-07-16/ \ activity-browser==0.0.0
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Or, download files manually

And install manually via pip:
activity_browser-0.0.0-py3-none-any.whl (4.1KB)
activity_browser-0.0.0.tar.gz (2.4MB)