C4 model
The C4 model for visualising software architecture. Context, Containers, Components, and Code.
Some of the top features or benefits of C4 model are: Simplicity, Scalability, Clarity of Communication, Standardization, and Focus on Architecture. You can visit the info page to learn more.
- Open Source
Best C4 model Alternatives & Competitors in 2025
The best C4 model alternatives based on verified products, community votes, reviews and other factors.
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Open-Source Alternatives.
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/plantuml-alternativesPlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
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/icepanel-alternativesCollaborative modelling and diagramming tool based on the C4 model. Software architecture design made fun! 🧊
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/mermaid-alternativesCreate diagrams and visualizations using text and code.
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/excalidraw-alternativesExcalidraw is a whiteboard tool that lets you easily sketch diagrams that have a hand-drawn feel to them.
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/draw-io-alternativesOnline diagramming application
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/sequencediagram-org-alternativesClean and fast online sequence diagram tool using scripting and Drag and Drop
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/graphviz-alternativesGraphviz is open source graph visualization software. It has several main graph layout programs.
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/monodraw-alternativesMonodraw allows you to easily create text-based art (like diagrams, layouts, flow charts) and...
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/whimsical-alternativesThe visual workspace for teams.
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/visio-alternativesSimplify and communicate complex information using data-linked diagrams.
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/yed-alternativesyEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
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/websequencediagrams-alternativesWebSequenceDiagrams is a web-based application that allows the user to use a proprietary language to define sequence diagram.
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/zenuml-alternativesJavaScript based diagramming tool that renders Markdown-inspired text definitions to create and modify sequence diagrams dynamically.