To learn Spec-Driven Development in 2026, follow this order: start with a beginner crash course, then a full course, then advanced deep dives. This roadmap sequences 15 of the best free YouTube videos — beginning with "Beginner's Guide to Spec-Driven Development (SDD) With OpenSpec" by Philipp Lackner (5,148 views).

Explore Spec-Driven Development

Step 1

Start Here

Beginner-friendly Spec-Driven Development intros and crash courses

Step 2

Core Skills

Full courses and comprehensive Spec-Driven Development tutorials

Step 3

Advanced & Deep Dives

Go deeper into Spec-Driven Development internals and real-world use

Step 4

Stay Current

The freshest Spec-Driven Development videos from the last 6 months