Software Alternatives, Accelerators & Startups

C4 model

The C4 model for visualising software architecture. Context, Containers, Components, and Code.

Top 9 Open-Source Alternatives to C4 model

C4 model
PlantUML Mermaid Excalidraw draw.io Penrose asciiflow Pencil Project Gephi

Summary

The top open-source alternatives to C4 model are PlantUML, Mermaid, and Excalidraw. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.
  1. PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
    Pricing:
    • Open Source

    #Diagrams #UML #Flow Charts And Diagrams 12 social mentions

  2. Create diagrams and visualizations using text and code.
    Pricing:
    • Open Source

    #Diagrams #JavaScript #UML 45 social mentions

  3. Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
    Pricing:
    • Open Source
    • Freemium
    • $7.0 / Monthly

    #Wireframing #Game Development #Mockups, Wireframing And Prototyping 241 social mentions

  4. Online diagramming application
    Pricing:
    • Open Source

    #Wireframing #Diagrams #Flowcharts 716 social mentions

  5. Create beautiful diagrams just by typing notation in plain text.
    Pricing:
    • Open Source

    #Wireframing #Diagrams #Flowcharts 4 social mentions

  6. Infinite ASCII diagrams, save to Google Drive, resize, freeform draw, and export straight to text/html.
    Pricing:
    • Open Source

    #Wireframing #Diagrams #Flowcharts 32 social mentions

  7. Diagrams lets you draw the cloud system architecture in Python code. It was born for prototyping a new system architecture without any design tools. You can also describe or visualize the existing system architecture as well.
    Pricing:
    • Open Source

    #Software Development #Diagrams #Flow Charts And Diagrams 47 social mentions

  8. Single-user mockup / wireframing / diagramming tool
    Pricing:
    • Open Source

    #Wireframing #Diagrams #Flowcharts 11 social mentions

  9. 9
    Gephi is an open-source software for visualizing and analyzing large networks graphs.
    Pricing:
    • Open Source

    #Wireframing #Diagrams #Flowcharts 33 social mentions

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