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What it does
RapidChart is an AI diagram generator. You describe what you need or paste in code, and it creates diagrams on an infinite canvas. It supports the UML suite, including class, sequence and use case diagrams, plus flowcharts, C4 architecture diagrams, entity relationship diagrams and neural network visuals. You can sign up with Google or an email address.
The site lists diagram types including class, sequence, use case, entity relationship, C4, AWS, Azure and Google Cloud architecture. It also mentions flowcharts and AI or neural network diagrams. A tutorial and templates are linked from the homepage. The FAQ asks why it is free and whether users can use their own API key.
Best for
UML diagramsDatabase schema diagramsCloud architecture diagramsFlowcharts