Built a tool that verifies COBOL-to-Python translations

Saturday Showcase: What are you building with Python? 🐍

Anatomy of a Python Function

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Update: copier-astral now uses prek (faster pre-commit) + bug fixes from your feedback

Free Python books that authors intentionally made available

Calling Lean Functions As Python Functions

doc2dict: open source document parsing

model-context-shell: Unix-style pipelines for MCP. Deterministic tool calls

Lessons learned building a cross-language plot capture engine in R & Python

Pytorch Now Uses Pyrefly for Type Checking

Text classification with Python 3.14's ZSTD module

Skylos: Python SAST, Dead Code Detection & Security Auditor (Benchmark against Vulture)

would you be interested in free interactive course on Pydantic?

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Chained Assignment in Python Bytecode

Is dotenv the best way to handle credentials on a win server in 2026?

I built a duplicate photo detector that safely cleans 50k+ images using perceptual hashing & cluster

microgpt

cysqlite - a new sqlite driver

369 problems for "109 Python Problems" completed

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rustdash: Lodash-style utilities for Python, Rust-powered (10-100x faster on complex ops)

Polars + uv + marimo (glazing post - feel free to ignore).

Show HN: VOOG – Moog-style polyphonic synthesizer in Python with tkinter GUI

I built a Python LSP in Go!

I’m starting coding from scratch – is Python really the best first language?

Python 3.14.3 and 3.13.12 are now available!

I’ve been working on a Python automation tool and wanted to share it

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