
PlantUML
Excalidraw
Mermaid
SequenceDiagram.org
Monodraw
Graphviz
C4 model sticky notes
The C4 model for visualising software architecture. Context, Containers, Components, and Code.

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Which is more popular?
Based on our record, C4 model seems to be more popular. It has been mentioned 39 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | c4model.com | cloudploy.com |
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In their own words, as submitted to SaaSHub.


No description of C4 model yet.
Add an API key. Your agent deploys from Claude Code, Cursor, or any MCP client. Bring your own Ubuntu/AWS server or provision Hetzner/DigitalOcean/AWS at cost. Flat plan for the control plane; compute at the provider’s rate. Free forever: 1 small server, 1 app.
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
Walkthroughs and reviews on video.
Visualising software architecture with the C4 model - Simon Brown, Agile on the Beach 2019
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using C4 model and CloudPloy. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The C4 model is derived from physical maps: You can look at a location from a high level, like a country, and see your city in the context of other cities and countries. Then you can zoom in to a city level and see...
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Recommendations tracked on public social media and blogs since March 2021.


When I developed Grotto, the runtime reference implementation for the Neander language (for more details read my related blog post series), I took the liberty, as a certified software architect, of first creating a full-blown arc42... - Source: dev.to / 25 days ago
The C4 model gives software teams a hierarchy for visualizing a system: context, containers, components, and code. It works like a map with zoom levels. At the widest view, we see the system, its users, and neighboring systems. Zooming... - Source: dev.to / about 2 months ago
C4[1]? Hadn’t heard of it until now. Thanks! Really curious what the major differences are that have you preferring it over other methods / winging it. [1]: https://c4model.com/. - Source: Hacker News / 2 months ago
Tracking CloudPloy since Sep 2026.
When comparing C4 model and CloudPloy, you can also consider the following products.

PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
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Deploy your favourite apps to cloud with one click
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Excalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
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Create diagrams and visualizations using text and code.
Compare Mermaid to C4 model or CloudPloy:

Clean and fast online sequence diagram tool using scripting and Drag and Drop
Compare SequenceDiagram.org to C4 model or CloudPloy:

Monodraw allows you to easily create text-based art (like diagrams, layouts, flow charts) and...
Compare Monodraw to C4 model or CloudPloy: