Study Notebooks
Topics explained in depth — written out like a student's hand-made notes. Pick a category to see its courses.
3 notebooks
Backend
Servers, data & large-scale system design.
System DesignDatabases 101Apache Kafka
Browse Backend2 notebooks
Frontend
Browsers, UI state & web performance.
Frontend EssentialsReact
Browse Frontend5 notebooks
DevOps / CI
Shipping software fast & safely.
DevOps & CI/CDDocker & ContainersKubernetes+2 more
Browse DevOps / CI1 notebook
Security
Protecting apps, data & users.
Web Security Basics
Browse Security1 notebook
Network
How machines connect and talk.
Networking Essentials
Browse Network