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Seventeen sets, one per language, each with complete diagrams you can copy. If you already know which language you are writing, this is the fastest way in.

If you would rather start from what you are trying to draw, use Diagram examples instead.

#Every language set

Mermaid examplesWorking Mermaid diagrams you can open, edit, or copy the source from.PlantUML examplesWorking PlantUML diagrams you can open, edit, or copy the source from.C4 examplesWorking C4 diagrams you can open, edit, or copy the source from.D2 examplesWorking D2 diagrams you can open, edit, or copy the source from.GraphViz examplesWorking GraphViz diagrams you can open, edit, or copy the source from.DBML examplesWorking DBML diagrams you can open, edit, or copy the source from.ERD examplesWorking ERD diagrams you can open, edit, or copy the source from.BlockDiag examplesWorking BlockDiag diagrams you can open, edit, or copy the source from.Bytefield examplesWorking Bytefield diagrams you can open, edit, or copy the source from.TikZ examplesWorking TikZ diagrams you can open, edit, or copy the source from.Vega examplesWorking Vega diagrams you can open, edit, or copy the source from.Vega-Lite examplesWorking Vega-Lite diagrams you can open, edit, or copy the source from.More languagesWorking More languages diagrams you can open, edit, or copy the source from.draw.io examplesWorking draw.io diagrams you can open, edit, or copy the source from.Excalidraw examplesWorked Excalidraw examples: what each diagram contains, and how to build it in the editor.BPMN examplesWorked BPMN examples: what each diagram contains, and how to build it in the editor.DMN examplesWorked DMN examples: what each diagram contains, and how to build it in the editor.

Seventeen sets. You will use two.