Check items to build a custom stack. Watch the preview update on the right. Switch to DIAGRAM tab to see the flow.
Your stack
No tools selected yet
Stack randomizer
Generates a random coherent stack with a name and a build challenge. Use it to practice building something new with a fixed toolset. The "Apply to builder" button drops the random stack into the builder so you can refine and export it.
your random stack
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CHALLENGE
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Pipeline diagram
Visual flow of your current stack, grouped into the layers data moves through. Each layer is a tier in your architecture. The arrows show typical data flow.
Add tools in BUILDER to see the diagram
Real-world stacks
These are realistic toolsets behind common kinds of websites and apps. Click any card to load it into the builder. Then check the DIAGRAM tab to see the architecture, and read the "why this stack" note to understand the reasoning.