Open Source Alternatives to Lucidchart
A diagramming platform that enables users to create flowcharts, process maps, org charts, and technical diagrams using AI-generated visuals, data imports, and real-time collaboration.
Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to Lucidchart give you an option you fully own. Run them on your own server or desktop, so your data stays under your control. This page lists 4 open source alternatives to Lucidchart. The most popular are Excalidraw, Draw.io and drawDB. Most use the Apache-2.0 or AGPL-3.0 license, and 2 offer an official Docker image.
Excalidraw
A virtual whiteboard for sketching diagrams, flowcharts, and wireframes with a hand-drawn style and real-time collaboration.
Draw.io
Create flowcharts, network diagrams, and organizational charts using a local desktop editor for visual documentation.
drawDB
A browser based database schema editor for creating entity relationship diagrams and generating SQL scripts without accounts.
draw.io
Create diagrams and whiteboards through a configurable editor that supports various storage integrations and offline desktop use.
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