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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better C4-PlantUML alternative or higher similarity.
C4-PlantUML discussion
C4-PlantUML reviews and mentions
Posts with mentions or reviews of C4-PlantUML.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2024-10-27.
- C4 Model - The Basics
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Vega – A declarative language for interactive visualization designs
What sort of maps are you wanting to build? https://c4model.com/ seems to be the more popular standard for this style at the moment. https://github.com/plantuml-stdlib/C4-PlantUML makes this somewhat easy to code out. (And I think most cloud providers have addons for it.)
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Ask HN: Guidelines for making clear architecture diagrams
Third this. Don't look any further, just do it!
Also, PlantUML + C4 is like peanut butter & jelly:
https://github.com/plantuml-stdlib/C4-PlantUML
I'll gladly give up control of layout, and accept some ugliness, to never again have to worry about dragging boxes and arrows to be pixel-aligned, and then do it all over again when I add another box...
It looks like Mermaid has C4 support too:
https://mermaid.js.org/syntax/c4.html
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Documentation as Code for Cloud - C4 Model & Structurizr
C4-PlantUML: Export your model as C4-PlantUML diagrams.
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Which tools do you use to create diagrams?
PlantUML + C4 plugin;
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Add quick sketches in emacs org mode
Yes. I use this all the time for software diagramming. With c4 model (https://github.com/plantuml-stdlib/C4-PlantUML) and AWS icons (https://github.com/awslabs/aws-icons-for-plantuml)
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Architecture diagrams should be code
The C4 model (https://c4model.com/) is great for architecture diagrams. You can use different tools to generate them. Here are the ones I've been using:
- https://github.com/plantuml-stdlib/C4-PlantUML
- D2 language, open source alternative to PlantUML
- Keep your diagrams updated with continuous delivery
- What FOSS programs would you recommend for creating concept maps on Linux?
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A note from our sponsor - Stream
getstream.io | 9 Jul 2025
Stats
Basic C4-PlantUML repo stats
26
6,804
6.5
9 days ago
RicardoNiepel/C4-PlantUML is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of C4-PlantUML is PlantUML.
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