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Coding foundations taught through visible program behavior

A self-paced coding curriculum with interactive challenges

A detective story solved by querying a database

AI language app that focuses on spoken practice with the Speak Tutor.

AI agents that review and test pull requests with full context of the codebase.

Enterprise AI platform and AI-native learning suite

AI code review and governance for agentic software development

Learn useful phrases by listening to real speakers.

A detailed written introduction to modern C++

Short coding lessons reinforced by quizzes and practice

Coding paths with backend, DevOps and data projects

Community coding kata with tests and solution comparisons

Interactive coding lessons leading into projects

A searchable library of coding videos and workshops

Focused Python challenges with detailed solution study

Coding bites with starter code, tests and discussion

Instrument courses with video exchanges and feedback.

SQL exercises running against SQLite in the browser

An introduction to computer programming from Waterloo

Elixir practice by making small failing exercises pass

Interactive R lessons inside the R console

Unity and Godot tutorials from an independent educator

A step-by-step guide to fragment-shader programming

Explanatory writing on web-development concepts