Learn System Design concepts and prepare for interviews using free resources.

Publicly shared solutions to Coding Challenges

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

These are the best resources for System Design on the Internet

A curated list of engineering blogs

A Data Structure Algorithms Low Level Design and High Level Design collection of resources.

Super Repository for Coding Interview Preperation

Questions solved during Practice or Contest

Node.js Basics ( v18.x )

Code Examples used by the Quickstarts in the Cognitive Services Documentation

freeCodeCamp.org's open-source codebase and curriculum. Learn to code for free.