Best Free Open-Source Python Software

Automate video editing with Python

Transforms complex documents into LLM-ready markdown/JSON for Agentic workflows.

Extremely fast Python linter and code formatter

Optional static typing for Python

A Python library for rich text and beautiful formatting in the terminal.

Lightweight C++/Python library for fast 3D data processing and rendering

Fast and accurate machine learning with just three lines of code

Uncompromising Python code formatter

A modern Python CMS

Run data science on remote data without moving it.

Fine‑tune large language models locally with optimized, low‑memory kernels

Python libraries for computational biology and bioinformatics

Ultra-lightweight personal AI agent framework

Convert Office and other files to LLM‑ready Markdown instantly

Fast, async Python web framework for high‑performance APIs

Open-source Python toolkit that transforms documents into structured data for AI pipelines

Python APIs for web automation, testing, and bot‑detection bypass

A high‑performance, open‑source e‑commerce platform built with Python and GraphQL

Python toolbox for seismology and earthquake data analysis