Dev.to
5/11/2026

7 Python Libraries You're Not Using But Should Be in 2025
Short summary
Discover 7 modern Python libraries transforming 2025 development: pydantic-core (Rust-powered validation, 5-50x faster), httpx (async-native HTTP with HTTP/2), rich (beautiful CLI output), typer (rapid CLI building), watchdog (file system monitoring), polars (high-performance data processing), and orjson (2-3x faster JSON parsing). Each includes practical code examples and replaces slower alternatives.
- •7 lesser-known Python libraries with dramatic performance improvements (5-50x in performance-critical tasks)
- •Practical code examples for each library's core use case, ready to implement
- •Direct comparisons showing what each library replaces and measurable speed gains
Generated with AI, which can make mistakes.
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