Become a sponsor to tox development team
tox-dev is the home of tox and a family of Python testing and packaging tools that most projects run in CI:
- tox: the standard multi-environment test runner
- filelock and platformdirs: dependencies of black, poetry, pylint, PyTorch, and HuggingFace
- pyproject-fmt, tox-uv, and pipdeptree: everyday packaging and dependency tools
Together these see over a billion downloads a month, maintained by a small volunteer team. Sponsoring funds the maintenance, security work, and releases your CI depends on. Companies can invoice their sponsorship. See the tiers below.
Meet the team
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Bernát Gábor gaborbernatWorking at @bloomberg; author/maintainer of virtualenv, tox, platformdirs, filelock, build, etc.
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Featured work
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tox-dev/tox
Command line driven CI frontend and development task automation tool.
Python 3,914 -
tox-dev/pipdeptree
A command line utility to display dependency tree of the installed Python packages
Python 3,001 -
tox-dev/filelock
A platform-independent file lock for Python.
Python 963 -
tox-dev/platformdirs
A Python package for determining platform-specific directories (e.g. user data, config, cache, logs). Handles the differences between macOS, Windows, Linux/Unix, and Android so you don't have to.
Python 953 -
tox-dev/tox-uv
Use https://github.com/astral-sh/uv with tox
Python 345 -
Python 214
$250 a month
SelectSupporter. For teams and companies that rely on tox-dev tools. Your name and link on our sponsors page, and a thanks in the release notes.
$1,000 a month
SelectSustainer. Your logo in the tox, filelock, and platformdirs READMEs and on the docs sites, plus priority triage on your issues. You can invoice annual sponsorships (net-30).
$5,000 a month
SelectPartner. Top logo placement in the READMEs and docs, a quarterly check-in call, roadmap input, and a named contact for urgent issues. Invoiced, net-30.