Tools rewriting the Python ecosystem for order-of-magnitude performance gains.
| Tool |
Replaces |
Why |
| UV |
pip, poetry, virtualenv |
Blazing-fast package manager—10-100x faster than pip |
| Ruff |
Flake8, Black, isort |
Extremely fast linter and formatter in one tool |
| Polars |
Pandas |
High-performance DataFrames—Rust core, lazy evaluation |
| Orjson |
json, ujson |
Fastest JSON library for Python—essential for data pipelines |
| Granian |
Uvicorn, Gunicorn |
Rust-powered HTTP server for ASGI/RSGI apps |
Frameworks & Libraries
| Resource |
Description |
| Pydantic AI |
Python agent framework—type-safe, model-agnostic, production-grade |
| FastAPI |
Modern async web framework—OpenAPI docs, type hints, high performance |
| Typer |
CLI framework by FastAPI creator—type hints for beautiful CLIs |
| Rich |
Beautiful terminal output—tables, progress bars, syntax highlighting |
| Textual |
TUI framework—build terminal apps with a modern reactive API |