nomnoml
Tiny UML-as-text tool.
| Official site | None on file |
|---|---|
| Price tier | Open source |
| Platforms | Web |
| License | MIT |
| Since | 2014 |
| Origin | Sweden |
| Status | Active |
| Category | Diagrams |
nomnoml is a Diagrams tool from Sweden, first released in 2014. Tiny UML-as-text tool. Status: Active.
nomnoml is Open source. Confirm the current plan on the official site before you quote a number.
What holds up: You can keep using nomnoml if the company behind the website disappears, because the MIT license covers the code. nomnoml runs on Web.
What does not: nomnoml dates from 2014. Newer tools have fewer years of file formats and fewer written guides.
The closest listed alternative is Mermaid: Diagrams as text: flowcharts, sequences, ER.
Other tools compared in the same sitting: PlantUML (2009, Open source): Text diagrams, especially UML. Excalidraw (2020, Open source): Hand-drawn style whiteboard.
Where to compare
8 alternatives to nomnoml. Open that page to compare them.
Catalogued 2026-11-09.