nomnoml
nomnoml.com
Draw sassy UML diagrams from plain syntax
Alternative to SequenceDiagram.org
ASCIIFlow
On this page: About · In their words · Where it fits · Compare · Information · Facts · Alternatives (2) · Related tools (4) · FAQ
About nomnoml
nomnoml is a tool for creating UML diagrams using a simple text syntax. It provides instant visual feedback and allows customization of styles through directives. The tool supports various diagram types including class, component, flow chart, and use case diagrams, along with features like comments, id attributes, and custom classifier styles.
Published 2026-08-13 · Links checked 2026-09-09
nomnoml in their own words
“A tool for drawing sassy UML diagrams based on syntax. Provides instant feedback and has a customizable styling.”
Where nomnoml fits
nomnoml is tagged #uml, #diagram, #text-to-diagram, #syntax. Each tag links to every listed tool that shares it.
- #uml — 2 listed tools share this tag, including SequenceDiagram.org
- #diagram — 3 listed tools share this tag, including SequenceDiagram.org, ASCIIFlow
- #text-to-diagram — the only listing with this tag so far
- #syntax — the only listing with this tag so far
nomnoml is one of 77 Dev Tools listed on ToolDock. Also in Dev Tools: n8n, Replit, Exa — see the Dev Tools ranking (neutral, stable positions; no paid placement).
Compare nomnoml with Dev Tools tools
Side-by-side pages use listing facts only: pricing, shared and unique tags, official-site facts where available, and verification dates.
| Tool | Pricing | Shared tags | Compare |
|---|---|---|---|
| Free | #uml #diagram | nomnoml vs SequenceDiagram.org → | |
| Free | #diagram | nomnoml vs ASCIIFlow → |
nomnoml alternatives & related Dev Tools
nomnoml alternatives
Tools sharing tags with nomnoml — each match reason is computed from real listing data.
SequenceDiagram.org
sequencediagram.org
Create UML sequence diagrams online with text or drag-and-drop
shares #uml #diagram · #text-editor ≈ #text-to-diagram, #sequence-diagram ≈ #text-to-diagram · also Dev Tools · both Free · SequenceDiagram.org alternatives →
✓ Links checked Sep 2026View →
See the full list of nomnoml alternatives →
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Top Dev Tools right now
The highest-ranked tools in this category — see the full Dev Tools ranking.
Frequently asked questions
What is nomnoml?
nomnoml is a Dev tool: Draw sassy UML diagrams from plain syntax. It is listed on ToolDock with a direct link to its official site.
Is nomnoml free?
Yes — nomnoml is listed as free on ToolDock. Pricing label set at listing time; official pricing page linked where verified — see the official website for current details.
What are the best nomnoml alternatives?
Alternatives to nomnoml listed on ToolDock (matched by shared tags and category) include SequenceDiagram.org, ASCIIFlow. See the full list of nomnoml alternatives.