Based on our record, NClass seems to be more popular. It has been mentiond 1 time 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.
Yet, there are plenty great tools for UML diagrams: StarUML, NClass, PlantUML and plenty others. Source: over 1 year ago
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.
Nektony Mac Visio Viewer - Nektony Mac Visio Viewer is a fully featured application for Mac OS X operating systems to view MS Visio files.
draw.io - Online diagramming application
Graphity - Graphity is a diagram editor that can be used to quickly and effectively generate drawings and to...
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.
GeneVenn - GeneVenn is an online diagram editor that allows the users to enter the list and may use the text area in order to assign letters on the list in the diagram.