Study Guides
Evidence-based flashcard decks for exams and interviews. Every deck uses SM-2 spaced repetition — the only study technique rated “high utility” by science.
GRE Vocabulary
500 essential GRE words with definitions and usage examples.
501 cards
GRE Quantitative Reasoning
Math concepts, formulas, and worked examples for the GRE Quant section.
400 cards
Data Structures & Algorithms
Essential DSA concepts for coding interviews at FAANG and startups.
35 cards
JavaScript Interview Prep
Closures, prototypes, async patterns, and ES6+ for frontend interviews.
25 cards
System Design Interview
Scaling, distributed systems, caching, and classic design questions.
30 cards
Product Management Interview
RICE, Kano, north star metrics, A/B testing, and growth loops.
30 cards
AWS Cloud Practitioner Exam
EC2, S3, Lambda, IAM, VPC, and the Well-Architected Framework.
35 cards
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