1.meta / pyrefly
A fast type checker and language server for Python
+1,590 stars
from 5,584 · score 7.37
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3.DefinitelyTyped / DefinitelyTyped
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from 17,036 · score 6.11
5.python / mypy
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6.python / typeshed
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+124 stars
from 5,022 · score 4.83
7.sorbet / sorbet
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from 3,746 · score 4.11
8.lukasbach / react-complex-tree
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9.LuxLang / lux
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+26 stars
from 1,724 · score 3.30
10.google / pytypeArchived
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+25 stars
from 5,009 · score 3.26
11.ianstormtaylor / superstruct
A simple and composable way to validate data in JavaScript (and TypeScript).
+13 stars
from 7,114 · score 2.64
12.dry-rb / dry-types
Flexible type system for Ruby with coercions and constraints
+13 stars
from 882 · score 2.64
13.sbdchd / celery-types
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+13 stars
from 146 · score 2.64
+9 stars
from 331 · score 2.30
15.quora / pyanalyze
A Python type checker
+7 stars
from 379 · score 2.08
16.dropbox / sqlalchemy-stubs
Mypy plugin and stubs for SQLAlchemy
+2 stars
from 583 · score 1.10