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Community and timer for the Rubik's Cube

TypeScript 202 17 Updated Jul 23, 2026

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

Python 359,052 57,384 Updated Mar 20, 2026

Curated coding interview preparation materials for busy software engineers

TypeScript 141,220 16,696 Updated Apr 5, 2026