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Free public beta until December 4, 2026: every course is open, no card needed. After that, the first chapter of each course stays free and full access is a one-time $39 ($19 for up to 100 founding members chosen for helpful feedback). Your progress is kept. How the beta works

software supply chain

All the code from other people that ends up in your program through its dependencies.

The supply chain is every direct and transitive dependency and the tools that build them; auditing checks it for known vulnerabilities, licenses, and untrusted publishers.

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