ZenUML

Create diagrams faster and better

Ranked #10 in Diagramming software with a free plan.

ZenUML is a diagram-as-code product family that renders concise text definitions into sequence and UML diagrams. It operates across multiple platforms including Confluence, web browsers, and IDEs.

Official website

At a glance

Best for

regulated environments such as finance and fintech

From ZenUML's own website.

Company facts

Social profiles

LinkedIn, X, Facebook, GitHub

What stands out

The product renders diagrams entirely in the browser without sending data to servers.

“Diagrams render entirely in your browser — no diagram content is sent to a ZenUML server to be drawn,”ZenUML, own website

ZenUML requires significantly fewer lines of code than PlantUML to create identical diagrams.

“Compared with PlantUML you need 2 to 3 times less lines to draw the same diagram.”ZenUML, own website

Worth knowing

Not all diagram types are available on every supported platform.

“* Not all diagrams are available on all platforms.”ZenUML, own website

How it ranks

ZenUML is ranked 10th of 10 in Diagramming software with a free plan (Lister Score 80.0).

#10 in Diagramming software with a free plan · Lister Score 80.0

Requires significantly fewer lines of code than PlantUML to create identical diagrams.

How the score is made up: fit to this ranking's criteria 40; evidence on its own site 20; how complete its published information is 16; buying information on its own site 4.