Lucid

Sure, Lucid Lucidchart is awesome.

But have you considered these open source alternatives?

They are free, self-hostable and community-driven.

Check by yourself: Excalidraw  Excalidraw , diagrams.net  Draw.io ,  D2 , Mermaid  Mermaid Live Editor .

  1. So is Excalidraw Excalidraw

    Whiteboard for sketching hand-drawn like diagrams

    ★ 96.2K Diagram Whiteboard License: MIT

    An open source virtual hand-drawn style whiteboard. Collaborative and end-to-end encrypted.

    preview

  2. So is diagrams.net Draw.io

    JavaScript, client-side editor for general diagramming

    ★ 53.5K Diagram License: Apache-2.0

    Browser-based diagramming components and applications.

    preview

  3. So is D2

    Turn text into diagrams

    ★ 20.1K Diagram License: MPL-2.0

    A modern diagram scripting language that turns text to diagrams.

    preview

  4. So is Mermaid Mermaid Live Editor

    Edit, preview and share mermaid charts/diagrams

    ★ 4.7K Diagram License: MIT

    Edit, preview and share mermaid charts/diagrams.

    preview