A college library, at your pace.
Move through readings, challenges, and milestones on your own schedule. Earn credit you can transfer to over 40 partner colleges.
Working Through Examples
Course catalog
67+ self-paced college courses across 14 subject areas. Filter by category to find your next one.
Showing 67 courses
Introduction to Business
A broad survey of the modern business landscape: management, marketing, finance, and operations.
Principles of Management
Plan, organize, lead, and control — the four functions every manager uses every day.
Financial Accounting
Read, build, and reason about the three core financial statements with confidence.
Introduction to Information Technology
Hardware, software, networks, and security — the building blocks of modern IT.
Introduction to Python Programming
Write your first programs in Python and start solving real problems with code.
Approaches to Studying Religion
Examine the world's religious traditions with the tools of the modern humanities.
Art History I
Trace the visual story of humankind from cave paintings to the early Renaissance.
College Algebra
Master functions, equations, and graphs — the toolkit for every later math course.
Introduction to Statistics
Make sense of data: distributions, inference, and the everyday misuse of statistics.
Human Biology
How the human body works, from cells and tissues up through every major organ system.
Environmental Science
Climate, ecosystems, and the choices that will shape the next century.
Introduction to Sociology
How groups, institutions, and culture shape the lives of individuals.
Principles of Microeconomics
Supply, demand, and the choices firms and households make every day.
Principles of Macroeconomics
GDP, inflation, unemployment, and the policy levers behind them.
Marketing Essentials
Positioning, segmentation, and the 4 Ps that drive modern brands.
Foundations of Entrepreneurship
Find a problem worth solving and build the smallest version that proves it.
Project Management
Scope, schedule, and deliver — the universal language of getting work done.
Introduction to Business Law
Contracts, torts, and the legal landscape that shapes every business decision.
Introduction to Web Development
Build your first websites with HTML, CSS, and JavaScript.
Data Structures & Algorithms
Arrays, trees, graphs, and the patterns behind every efficient program.
Databases & SQL
Design schemas, write powerful queries, and reason about real data.
Cybersecurity Foundations
Threats, defenses, and how modern organizations stay safe online.
Cloud Computing Fundamentals
Compute, storage, and networking — explained the way the cloud actually works.
Introduction to Data Analytics
Turn raw data into clear insight with Python, SQL, and good questions.
AI & Machine Learning Essentials
What models actually do — and how to use them responsibly today.
Mobile App Development
Ship your first cross-platform mobile app with React Native.
World History
From early civilizations to the modern era — the long arc of human societies.
English Composition
Write with clarity, structure, and confidence — across every kind of essay.
Introduction to Philosophy
The big questions, the great thinkers, and how to argue carefully.
Creative Writing
Fiction, memoir, and poetry — find your voice and finish your first pieces.
U.S. History
A balanced survey from the colonial era through the present.
Precalculus
Bridge algebra and calculus with confidence — functions, trig, and limits.
Calculus I
Limits, derivatives, and the language of change.
Calculus II
Integration techniques, sequences, series, and a window into deeper math.
Linear Algebra
Vectors, matrices, and the geometry behind modern machine learning.
Discrete Mathematics
Logic, sets, and combinatorics — the foundations of computing.
General Chemistry
Atoms, bonds, and reactions — the unifying ideas behind chemistry.
Physics I — Mechanics
Forces, motion, and energy — the foundations of classical physics.
Physics II — Electricity & Magnetism
Electric fields, circuits, and the inseparable dance of E and B.
Astronomy
Planets, stars, galaxies — the universe as we currently understand it.
Genetics
DNA, inheritance, and the molecular logic of life.
Introduction to Psychology
The science of mind and behavior — and what the research actually shows.
Abnormal Psychology
How clinicians understand, diagnose, and treat mental health conditions.
Developmental Psychology
How people grow and change from infancy through old age.
Cultural Anthropology
How human societies organize meaning, work, and belief.
Introduction to Political Science
States, power, and the institutions that shape modern political life.
Introduction to Engineering
Design thinking, problem-solving, and the engineering mindset.
Statics
Forces in equilibrium — the foundation of mechanical and civil engineering.
Electric Circuits
Resistors, capacitors, and the rules that govern every circuit you'll meet.
Materials Science
Why steel is strong, why polymers stretch, and why glass shatters.
Anatomy & Physiology
Structure and function across every major system of the human body.
Nutrition Science
Macros, micros, and the evidence behind what humans should actually eat.
Introduction to Public Health
Populations, prevention, and the systems that keep communities healthy.
Medical Terminology
Roots, prefixes, and suffixes — the language of clinical medicine.
Spanish I
Greet, order, ask, and tell — your first real conversations in Spanish.
Spanish II
Past, future, and the grammar to talk about more than just today.
French I
Bonjour to fluent first conversations — French for absolute beginners.
Graphic Design Fundamentals
Type, color, and layout — the working language of every designer.
UX Design Fundamentals
Research, wireframe, prototype, test — design the product, not just the screen.
Music Theory I
Scales, chords, and the underlying grammar of Western music.
Foundations of Education
The systems, history, and ideas behind modern schooling.
Educational Psychology
How students learn — and the teaching practices that actually work.
Introduction to Law
Courts, contracts, and the building blocks of the American legal system.
Introduction to Criminal Justice
Police, courts, and corrections — and the debates shaping reform.
Public Speaking
Plan, write, and deliver speeches that land — even if you start out nervous.
Intercultural Communication
Communicating clearly across cultures, online and in person.
Technical Writing
Documentation, instructions, and reports that real people can use.
How it works
Three simple steps from enrollment to credit on your transcript.
Browse
Explore 50+ courses across business, IT, humanities, math, and the sciences.
Learn
Move through readings, challenges, and milestones at your own pace.
Earn credit
Complete the touchstone, pass the milestones, and transfer credit to your school.
Learners on the experience
“The pacing finally fit my life. I knocked out two prerequisites in a single semester while working full-time.”
“The challenges and milestones make it impossible to fool yourself. You either know it or you don't — and then you learn it.”
“Clean, calm, and college-rigorous. It feels like the campus library at 9pm — but always open.”
One subscription. The whole library.
Take as many courses as you want. Cancel whenever. The first month is on us.