Based on our record, Umbrello should be more popular than UMLet. 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
I like Umlet. It is a GUI drawing tool, but is not overbearing. Since I like to abuse the details of UML graphical notation, Umlet lets me type anything in a class "box" I like. Source: 12 months ago
draw.io - Online diagramming application
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.
StarUML - StarUML
PlantUML - PlantUML is an open-source tool that uses simple textual descriptions to draw UML diagrams.
yEd - yEd is a free desktop application to quickly create, import, edit, and automatically arrange diagrams. It runs on Windows, Mac OS X, and Unix/Linux.
UMLGraph - UMLGraph is a professional automated drawing tool that allows the designers the declarative specification and drawing of UML class and sequence diagram.