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

    Quadro branco para desenhar diagramas com aparência de feitos à mão

    ★ 98.2K Diagram Whiteboard License: MIT

    Um quadro branco virtual de estilo desenhado à mão em código aberto. Colaborativo e criptografado ponta a ponta.

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  2. So is diagrams.net Draw.io

    JavaScript, client-side editor for general diagramming

    ★ 54K Diagram License: Apache-2.0

    Browser-based diagramming components and applications.

    preview

  3. So is D2

    Turn text into diagrams

    ★ 20.4K Diagram License: MPL-2.0

    A modern diagram scripting language that turns text to diagrams.

    preview

  4. So is Mermaid Mermaid Live Editor

    Edite, pré-visualize e compartilhe gráficos/diagramas mermaid

    ★ 4.9K Diagram License: MIT

    Edite, visualize e compartilhe gráficos/diagramas mermaid.

    preview