Learn by doing


Practice systems and algorithms visually.


Three tracks. Live demos. Challenge modes.


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Computer science island map with systems, databases, networking, algorithms, and operating systems

Learning tracks

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Topic map

Jump straight to a topic.

Architecture track

System Design

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Fundamentals
2 lessons
Core Concepts
3 lessons
Scalability
4 lessons
Databases
2 lessons
Messaging
2 lessons
Exercises
1 lesson

Foundations track

Data Structures

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Arrays & Strings
2 lessons
Linked Lists
2 lessons
Hashing
1 lesson
Trees
2 lessons
Graphs
1 lesson
Exercises
1 lesson

Language track

Programming Languages

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Language Theory
4 lessons

Ready to start

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