A collective list of free APIs

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

AI agents running research on single-GPU nanochat training automatically

A curated list of awesome Claude Skills, resources, and tools for customizing Claude AI workflows

A collection of learning resources for curious software engineers

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

120+ interactive Python coding interview challenges (algorithms and data structures). Includes Anki flashcards.

Data science Python notebooks: Deep learning (TensorFlow, Theano, Caffe, Keras), scikit-learn, Kaggle, big data (Spark, Hadoop MapReduce, HDFS), matplotlib, pandas, NumPy, SciPy, Python essentials,…

The agent that grows with you

Faker is a Python package that generates fake data for you.

The Data Engineering Cookbook

A suite of utilities for converting to and working with CSV, the king of tabular file formats.

A supercharged AWS command line interface (CLI).

Cracking the Coding Interview 6th Ed. Python Solutions

A test fixtures replacement for Python

Sublime Text plugin for EditorConfig - Helps developers maintain consistent coding styles between different editors

Agent-native flight search & booking. Saved $116 across 5 routes vs Google Flights (verified). 400+ airlines in 5 seconds. Star = free forever for first 1,000 stargazers.