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

Master programming by recreating your favorite technologies from scratch.

simple terminal UI for git commands

Cut and paste your surroundings using AR

Get a full fake REST API with zero coding in less than 30 seconds (seriously)

A fully functioning Node.js shopping cart with Stripe, PayPal, Authorize.net, PayWay, Blockonomics, Adyen, Zip and Instore payments.