7 Python Libraries You're Not Using But Should Be in 2025

7 Python Libraries You're Not Using But Should Be in 2025 Python's ecosystem grows every year, and 2025 has brought some incredible libraries that can dramatically simplify your workflow. While everyone knows about requests , pandas , and numpy , let me share 7 lesser-known gems that have genuinely changed how I write code. 1. 🐍 pydantic-core + pydantic v2 — Data Validation on Steroids Most developers use Pydantic, but Pydantic v2 is a completely different beast. Written in Rust via pydantic-co