A guide to system design concepts covering scalable architectures, distributed systems, databases, networking, reliability, and large-scale software design.

An open-source guide covering system design concepts, distributed systems, scalability, databases, networking, and architectures for large-scale software.

A free, open-source collection of structured interview preparation material covering algorithms, data structures, coding techniques, behavioral interviews, and software engineering preparation.

An open-source machine learning framework for building, training, evaluating, and deploying models across applications ranging from research to production systems.

A practical book that teaches test-driven development by building a web application with Python and Django, emphasizing testing, development workflows, and incremental implementation.

An interactive introduction to fragment shaders and GLSL that teaches graphics programming through visual examples, mathematical concepts, and hands-on shader experiments.

A JavaScript 3D graphics library that makes it possible to create and display interactive 3D scenes and animations in the browser using WebGL and related web technologies.

A local API emulation tool designed for testing integrations and web infrastructure without depending on live external services or production credentials.