21st.dev vs shadcn/ui

Measured by who actually uses what.

2

21st.dev

Copy-paste UI components for AI editors

6 stacks

#73 in Developer tools

No reasons written yet

S

shadcn/ui

Components you copy, not install

48 stacks

#8 in Developer tools

No reasons written yet

1 person stacks both — it isn't always either-or

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