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.
Workflow Builder - Apache 2.0 React SDK for embedding visual workflow editors. Drag-and-drop workflow builder UI with a reference back-end and an execution engine swappable by design, proven with Temporal. Back-end agnostic. Built on React Flow and Temporal. Reference stack for AI workflows and automations in digital products.
realtime speech ⇄ text, 音を字に — wire mic → STT → translate → speech as an on-device voice graph that spans your devices over WebRTC. Runs in the browser (transformers.js/ONNX/WebGPU); no API keys, nothing leaves the device by default.