https://xyflow.com/
Node-Based UIs for React and Svelte - xyflow
Powerful open source libraries for building node-based UIs with React or Svelte. Ready out-of-the-box and infinitely customizable.
node based uisreactsvelte
https://reactflow.dev/
Node-Based UIs in React - React Flow
Highly customizable React library for workflow builders, no-code apps, image processing, visualizers, and more
node based uisreact flow