What program are these diagrams made in?

Question

Visio

Colleagues, could you tell me what software such schemes are made with? In visio, you can do such things, but where can you get such figures?

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Answer 1

Zelo looks like Visio. Visio is full of built-in stencils for a variety of topics. In general, this is the only program that I respect from M$ - it is really powerful.

Answer 2

the first one is from google diagrams online
https://app.diagrams.net/