Based on our record, Umbrello seems to be more popular. It has been mentiond 5 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
Some tools are even available to go the other way and generate UML from code. Umbrello for example. Source: over 1 year ago
This was years ago so I honestly don't remember well, but after some brief googling this tool looks familiar https://umbrello.kde.org/. Source: over 2 years ago
The one time I was forced into making a UML diagram I used Umbrello from KDE: Https://umbrello.kde.org/. Source: over 2 years ago
For UML, I use Umbrello. The biggest advantage is that it can generate Ada code from UML class diagrams. It isn't a perfect code, but pretty good. :). Source: over 2 years ago
Dynamic Draw is portable and runs on Windows. Caligra, Diagramo or Umbrello for Linux. Source: about 3 years ago
WhiteStarUML - WhiteStarUML is a fork of StarUML with an intent to revive its Delphi code base by updating code to...
draw.io - Online diagramming application
Eclipse Papyrus - Eclipse Papyrus is an industrial-grade open source Model-Based Engineering tool. Eclipse Papyrus has notably been used successfuly in industrial projects and is the base platform for several industrial modeling tools.
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
System Designer - System Designer is a low code development platform that you can use to create UML-based models.