CS Fundamentals
Beyond learning a language: algorithms, data structures, compilers and how systems are built; the skeleton of a free CS degree.
13 steps
Teach Yourself CSteachyourselfcs.com
The plan for what comes next: which subject, which book and why.
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MIT · Mathematics for Computer Scienceocw.mit.edu
Proof, graphs and probability: the mathematics algorithms rest on.
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Open Data Structuresopendatastructures.org
Data structures from a free book, with proofs and code.
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Algorithm design through a competitive programmer's eyes; short and dense.
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Online Playgrounds & Compilers
Compiler Explorergodbolt.org
Seeing how the code you write turns into machine instructions.
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Crafting Interpreterscraftinginterpreters.com
Writing a whole programming language yourself, start to finish.
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Build Your Own Xgithub.com
Git, databases, network stacks: understanding tools by rebuilding them.
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The Architecture of Open Source Applicationsaosabook.org
How real open-source systems were designed, told by their authors.
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OSSU Computer Sciencegithub.com
Tying it all into a curriculum: a complete, free degree programme.
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