Explore the learning universe
Editorially curated programs across 11 fields — every deck audited, every card built for spaced repetition.
Top programs
CompTIA Security+
5 decks · $14.99
AWS Cloud Practitioner
4 decks · $14.99
Coding Interview Prep
3 decks · $14.99
IOI — Competitive Programming
14 decks · $24.99
Introductory Statistics
4 decks · $7.99
Financial Engineering
19 decks · $29.99
Product Management Interview
3 decks · $7.99
NCLEX-RN
5 decks · $14.99
Introductory Psychology
5 decks · $14.99
GRE Prep
3 decks · $14.99
Browse by field
Information Technology
Cloud and cybersecurity certifications that move careers — studied the way memory research says they should be.
2 program · 396 cards
Computer Science
From interview prep to olympiad-grade algorithms: data structures, systems, and the canon every engineer drills.
2 program · 1,120 cards
Data Science & Statistics
Probability, inference, and the statistical instincts behind every model you'll ever ship.
1 program · 149 cards
Finance & Quant
A graduate-level quant curriculum — derivatives, stochastic calculus, risk, and machine learning for markets.
1 program · 1,382 cards
Business & Product
Product sense, metrics, and strategy frameworks — the working vocabulary of modern product teams.
1 program · 133 cards
Health & Nursing
Clinical knowledge organized by the official NCSBN test plan — safe, current, and exam-shaped.
1 program · 193 cards
Psychology
How minds work — from neurons and sleep to memory, development, and disorders.
1 program · 177 cards
Science
University-survey biology and chemistry, built on the OpenStax curriculum.
2 program · 322 cards
Test Prep
GRE and SAT, distilled to the vocabulary, math, and reasoning patterns the exams actually test.
2 program · 350 cards
Languages & World
Vocabulary and world knowledge with the spacing your memory needs to keep it.
2 program · 344 cards
Trades & Licenses
Journeyman electrical, solar PV, and real-estate licensing — code-accurate prep for the exams that gate the work.
3 program · 450 cards