Was searching for tools for documentation, doing graphics out of Text:

Very good summary link: Text to UML.

Most features: Planttext

Clean and easy, Sequence and FlowChart: http://chartmage.com/index.html

Also very fast to use: http://www.nomnoml.com

And one for ERM: https://app.quickdatabasediagrams.com

One more https://start.jhipster.tech/jdl-studio/