A collective list of free APIs

📚 Freely available programming books

Learn how to design large-scale systems. Prep for the system design interview. Includes Anki flashcards.

An opinionated list of Python frameworks, libraries, tools, and resources

All Algorithms implemented in Python

A feature-rich command-line audio/video downloader

Command-line program to download videos from YouTube.com and other video sites

Magnificent app which corrects your previous console command.

real time face swap and one-click video deepfake with only a single image

💫 Toolkit to help you get started with Spec-Driven Development

Animation engine for explanatory math videos

The Python programming language

Scrapy, a fast high-level web crawling & scraping framework for Python.

Rich is a Python library for rich text and beautiful formatting in the terminal.

Apache Airflow - A platform to programmatically author, schedule, and monitor workflows

The uncompromising Python code formatter

A community-supported supercharged document management system: scan, index and archive all your documents

A community-maintained Python framework for creating mathematical animations.

A Python library for extracting structured information from unstructured text using LLMs with precise source grounding and interactive visualization.

Composable transformations of Python+NumPy programs: differentiate, vectorize, JIT to GPU/TPU, and more

The lean application framework for Python. Build sophisticated user interfaces with a simple Python API. Run your apps in the terminal and a web browser.

Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous …

You like pytorch? You like micrograd? You love tinygrad! ❤️

🗃 Open source self-hosted web archiving. Takes URLs/browser history/bookmarks/Pocket/Pinboard/etc., saves HTML, JS, PDFs, media, and more...

Documentation that simply works

Zulip server and web application. Open-source team chat that helps teams stay productive and focused.

Prefect is a workflow orchestration framework for building resilient data pipelines in Python.

A reactive notebook for Python — run reproducible experiments, query with SQL, execute as a script, deploy as an app, and version with git. Stored as pure Python. All in a modern, AI-native editor.

gpt-oss-120b and gpt-oss-20b are two open-weight language models by OpenAI

A TTS model capable of generating ultra-realistic dialogue in one pass.