learning

Curated list of hacking resources. CTFs, tutorials, tools, and learning paths.

Curated list of data science resources. Learning paths, tools, and datasets.

Freely available programming books in many languages. 350K+ stars. The ultimate free learning resource.

Curated list of project-based tutorials. Learn by building real projects in various languages.

Master programming by recreating technologies from scratch. Build your own Git, Docker, database, etc.

Ableton's interactive music course. Learn beats, melody, and production basics in your browser.

Interactive introduction to synthesizers. Play with oscillators, filters, and envelopes in the browser.

Curated list of falsehoods programmers believe. Names, time, addresses, and more gotchas.

Free language learning. Gamified lessons in 40+ languages with millions of users.

Learn vocabulary in context. Fill-in-the-blank exercises with real sentences.

Immersion-based language learning roadmap. Learn languages the way children do.

Learn security through challenges. SSH-based hacking games.

Learn cybersecurity through hands-on exercises. Guided hacking rooms.

Build a computer from scratch. Video series on building a CPU, GPU, and networking from basic components.

Electronic circuit simulator in the browser. Visualize current flow and experiment with components.

Guitar, bass, and drum tabs with playback. Learn songs with interactive notation.

Understand music theory through popular songs. Learn how hit songs are constructed.

Paste a command line and get a breakdown of every argument. Essential for understanding complex shell commands.

Open source collection of algorithms implemented in multiple programming languages. Great for learning.