React Flow | Svelte Flow - Powerful open source libraries for building node-based UIs with React (https://reactflow.dev) or Svelte (https://svelteflow.dev). Ready out-of-the-box and infinitely customizable.
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Node Based UI GitHub Repositories (2026) · Open Source Tools
Discover the best Node Based UI open source repositories on GitHub. Explore trending tools, live star counts, source code, and developer projects updated daily.
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3 matching projects · updated Nov 12, 2026
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FlowGram is an extensible workflow development framework with built-in canvas, form, variable, and materials that helps developers build AI workflow platforms faster and simpler.
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ngDiagram – open-source Angular library for interactive diagrams, node-based editors, and workflow builders. Angular-first: signals and templates.
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