boltons

The premium Open Source alternative to Toolz

🎯 Best for:Python projects needing robust utilities without adding a heavy dependency tree.
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What is boltons?

Extends the Python standard library with over 250 high-quality, dependency-free utility functions and classes. Focuses on pure Python implementations that fill gaps in the built-in collections and itertools modules.

Tech Stack
PythonBackend & Auth

Why boltons?

  • Zero external dependencies
  • Pure Python implementation
  • Broad utility coverage

Limitations

  • Large API surface area
  • Potential overlap with built-ins
  • Documentation can be dense
3/3/2026
Last Update
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License
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Competitor Cost
-$1,440
/ year (est. based on Toolz)
Self-Hosted
$0
/ year
Team Size10 Users
150+
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