Coding and developer tools

Type checking tools

Tools that check source code types and report type errors

Type checking tools is growing in line with its peers; its strongest place is code editor extensions at 1.0× the typical product. The fastest product is Nudo, up 7.8×. 57 products measured, as of Oct 10, 2026.

How we measure

Where it grows against its peers

  • Code editor extensions14 products1.00×
  • Open-source editor extensions15 products1.00×

The line marks 1×: the typical product in that place.

Fastest products

  1. 1NudoOpen-source editor extensions7.8×
  2. 2Mypy Type CheckerOpen-source editor extensions1.4×
  3. 3BasedPyrightOpen-source editor extensions1.4×
  4. 4python-type-safetyAgent skills1.3×
  5. 5JTC - JSON/YAML Type CheckerOpen-source editor extensions1.2×
  6. 6JTC - JSON/YAML Type CheckerCode editor extensions1.2×
  7. 7tyOpen-source editor extensions1.2×
  8. 8tyCode editor extensions1.1×
  9. 9LiquidJavaOpen-source editor extensions1.1×
  10. 10Pykrete — Static schema checking for PythonOpen-source editor extensions1.1×

Type checking tools: quick answers

Not faster than its peers right now; the closest is code editor extensions at 1.0× the typical product.

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