Does any software exist to create "flow diagrams" to document event propagation on a large scale?

This page summarizes the projects mentioned and recommended in the original post on /r/webdev

SurveyJS - Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App
With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
surveyjs.io
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InfluxDB - Power Real-Time Data Analytics at Scale
Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
www.influxdata.com
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  • Mermaid

    Edit, preview and share mermaid charts/diagrams. New implementation of the live editor.

  • Diagrams.net (formerly draw.io) is an infinite-canvas diagramming tool that is web-based but you have control of the source files. You might also like Mermaid which is a markdown-like language that compiles to all kinds of charts and diagrams. I find generating diagrams to be a much more scalable way rather than trying to move everything around by hand so it all fits and looks nice. At some point you will want to squeeze something in the middle and it'll be a nightmare.

  • java

    Structurizr for Java (by structurizr)

  • have you checked https://structurizr.com ?

  • SurveyJS

    Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

    SurveyJS logo
NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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