Tools
Know what's in the toolbox
What each tool is, how it's licensed, and when a dev would actually reach for it.
Databases & backends
Relational, document, embedded, and vector stores, plus the backends and ORMs around them.
Game development
From browser-first renderers and 2D frameworks to full engines, plus physics, level editors, and free assets.
AI agent skills
Installable skill folders that teach a coding agent one specific job — design direction, polish, accessibility, design systems.