Flowgorithm might be a bit more popular than NClass. We know about 1 link to it since March 2021 and only 1 link to NClass. 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: almost 2 years ago
> I'm passionate about teaching programming to 17-19 year olds. I've been teaching for some time an introductory programming class to kids with those ages (1st year university students). I think the best approach to teach programming is to start with flowcharts (hand drawn in the paper), do a lot of them, and then use a computer to "program" in flowcharts. I use Flowgorithm [1], and here's some examples of... - Source: Hacker News / 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.
UMLGraph - UMLGraph is a professional automated drawing tool that allows the designers the declarative specification and drawing of UML class and sequence diagram.
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.
Dia - Dia is a GTK+ based diagram creation program for GNU/Linux, MacOS X, Unix, and Windows, and is released under the GPL license.
OmniGraffle - OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.