Community courses you can fork.

Master algorithmic problem-solving and essential coding patterns for software engineering interviews. Designed for engineers and computer science students, this course teaches you how to identify core patterns, optimize solutions, and ace technical screens.

Designed for backend engineers and tech leads, this in-depth course covers practical trade-offs, architecture diagrams, and real-world system constraints for building high-throughput production systems and acing system design interviews.

Master modern Next.js 16 and React 19 by building production-ready web applications using the App Router, Server Actions, and advanced TypeScript patterns. Designed for developers looking to transition from legacy concepts to high-performance, full-stack architectures.

Master reproducible, engineering-driven prompting methodologies designed for developers and technical practitioners. Gain the skills to reliably extract high-accuracy, production-ready outputs from modern large language models.

Designed for full-stack developers, this practical course teaches you how to build production-grade AI features, agentic workflows, and structured LLM integrations using TypeScript and the AI SDK. You will gain hands-on skills to implement robust streaming, tool calling, and end-to-end application architectures.

Explore the biological foundations of memory, focus, and cognitive performance through clear physiological explanations. This course is designed for lifelong learners, students, and educators seeking to understand how the brain learns and physically changes over time.

Master subscription financial metrics and build investor-ready models. Designed for startup founders, product managers, and business operators to learn how to calculate churn, LTV, CAC, and project cash flows.

Master first-principles thinking and identify cognitive traps to make high-stakes decisions under uncertainty. Designed for professionals and strategists, this course delivers concrete real-world scenarios and structured decision-making exercises.