This is built into Obsidian, and I love it for making quick diagrams in my notes.
Mapping out database tables while I’m conceptualizing an idea is what I use it more most often. I also use sequence diagrams to map process flow or try e flow of information.
I thought about adding an API interface for it. It is on my to-do list of things that could be good to add. For now, I'm gathering feedback to see what people like about it or not.
Mapping out database tables while I’m conceptualizing an idea is what I use it more most often. I also use sequence diagrams to map process flow or try e flow of information.