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Courses and guides that explain how modern AI and software systems work, in plain language.
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AI Agent Design Patterns
When to reach for which agent pattern, from single-agent loops to multi-agent orchestration and feedback loops. Each lesson pairs a plain mental model with an architecture sketch and a mini project.
15 pattern lessons in 3 tiers, plus quizzes, a capstone and a cheat sheet.
Free to read. No account needed.
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System Design Concepts
How the apps you use every day stay fast and stay up: speed, data, services and safety. Written for people without an engineering background.
25 concepts in 5 tiers.
Tier 1 is free to read now. The full course is $29, one time.
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AI Evals, Made Simple
What AI evals are, why they matter and how to start, with every idea in plain words, an analogy and an example.
20 concepts in 3 levels, plus a quiz, myth busters and a glossary.
Free to read. No account needed.
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