OpenFlowKit – Open-source diagram engine with code, drag-and-drop, and AI input

Summary: OpenFlowKit is a free, MIT-licensed diagram engine that runs entirely in the browser without cloud dependencies. It supports creating diagrams via code (Mermaid or DSL), drag-and-drop, or AI commands, enabling editable vector exports to Figma. It targets engineers, architects, and product teams seeking customizable, modern diagram tools.

What it does

OpenFlowKit generates diagrams through code, drag-and-drop, or AI input, running fully locally in the browser. It exports editable vector graphics compatible with Figma and includes Flowpilot AI for context-aware diagram creation.

Who it's for

It is designed for engineers, architects, and product teams focused on precise and customizable diagram creation without cloud reliance.

Why it matters

It addresses outdated, inflexible diagram tools and eliminates subscription costs by providing a powerful, local, and open-source alternative.