[Veuxdo]

Programs that produce diagrams should be (and are) written in a programming language. They accept input, execute, and produce output. Diagrams themselves do not execute and have state (unless they are interactive[0]). There's a difference.

[0] https://app.ilograph.com

[hurwatz]

Be aware the poster has a history of being very active on posts related to diagramming tools to discourage his competitors' solutions and/or promote his own tool without disclosing affiliation.