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pypi package · declared by 292 of 2,343 sampled repositories · graph computed 2026-08-24

Counted from the runtime dependencies public repositories declare — not the resolved tree. A transitive dependency is a consequence; a declared one is a choice. Development dependencies are excluded because they repeat across every project in a language regardless of what is being built.

Declared with

ranked by association, not by count

Tools declared alongside this one, ranked by association strength
Declared with	Repositories	vs chance
uvicorn	113 of 2,343	0.53
fastapi	114 of 2,343	0.50
pydantic	142 of 2,343	0.50
pydantic-settings	62 of 2,343	0.48
pyjwt	28 of 2,343	0.40
python-dotenv	88 of 2,343	0.40
aiofiles	30 of 2,343	0.40
playwright	26 of 2,343	0.39
python-multipart	43 of 2,343	0.37
pytest-asyncio	9 of 2,343	0.37
opentelemetry-api	13 of 2,343	0.37
cryptography	30 of 2,343	0.36
apscheduler	13 of 2,343	0.36
anyio	15 of 2,343	0.35
pypdf	17 of 2,343	0.35
sqlalchemy	31 of 2,343	0.34
posthog	8 of 2,343	0.34
markdownify	8 of 2,343	0.34
toml	15 of 2,343	0.34
aiosqlite	18 of 2,343	0.34

Every pair above is counted from the same evidence: repo manifest.

Used instead

candidates · shares a neighbourhood and refuses to co-occur

No alternative measured. A pair qualifies only if it shares a neighbourhood and then fails to appear together against an expectation that it would — and almost everything that shares a neighbourhood does appear together. That is the test working, not a gap in the data: similarity alone would list this tool’s closest neighbours as alternatives, and most of them are things it is used with.