The Best 12 blockdiag Alternatives

  • Graphviz

    Graphviz is open source graph visualization software. It has several main graph layout programs. It also has web and interactive graphical interfaces, and auxiliary tools, libraries, and language bindings.

    Free Open Source Mac OS X Windows Linux Web

  • Diagrammix

    Diagrammix is a tool for efficiently building attractive diagrams. If you are an office worker, developer, manager, supervisor, student or home user you can draw almost anything in extremely simple and intuitive way.

    Commercial

  • Linkurious

    An on-premise graph visualization and analysis software to investigate complex connected data.

    Commercial Web

  • KeyLines

    KeyLines is a JavaScript toolkit for building high-performance network visualization applications quickly.

    Commercial Mac OS X Windows Linux Android Web

  • mermaid

    An easy tool for generating diagrams and flowcharts from text in a similar manner as markdown.

    Free Open Source Mac OS X Windows Linux Self-Hosted JavaScript

  • Neoclipse

    Neoclipse is a standalone workbench application to interact with Neo4j (database directory or server). It supports Cypher, index searches, visualisation, graph updates.

    Free Open Source Windows

  • Graphynx

    Create weighted and unweighted graphs and run algorithms step by step. Learn graph theory interactively… much better than a book!.

    Freemium Android iPhone Android Tablet iPad