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Designful
Open-source Figma-style canvas SDK for building design editors

What is Designful?

Designful is an open-source, canvas-first SDK designed for teams that need to build serious design editors without rebuilding the canvas stack. It provides a Figma-style experience with features like auto layout, variables, snapping, and export, all powered by a modular and extensible architecture.

Built with TypeScript and Konva, Designful offers pixel-accurate snapping, alignment guides, and rulers that behave at any zoom. It includes production-ready capabilities such as history, storage, export, and performant rendering. The SDK is plugin-ready, allowing teams to extend behavior and integrate custom workflows seamlessly.

Features

  • Smart editing tools: Selection boxes, transform handles, multi-select, and precision nudges.
  • Layout systems: Auto layout, group management, frames, and constraints for responsive designs.
  • Asset pipeline: Images, SVG import, custom HTML nodes, and styled text handling.
  • Export and storage: Export PNG, JPG, SVG with accurate bounds and state persistence.
  • Performance control: On-demand render, culling, and level of detail management.
  • Extensible by design: Plugins, manager APIs, and events to support bespoke workflows.

Use Cases

  • Building UI builders
  • Creating marketing content editors
  • Developing template editors with brand constraints
  • Designing diagramming and flow tools
  • Building internal design tools

FAQs

  • Do I have to use the UI package?
    No. The core SDK is UI-agnostic. Use the Vue UI package or build your own.
  • How do I extend behavior?
    Use plugins and manager events to add tools, actions, or custom renderers.
  • Is it ready for production?
    It is built with performance features like culling and cached rendering.

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