When comparing Visual Paradigm vs nomnoml, the Slant community recommends Visual Paradigm for most people. In the question“What is the fastest way to create and edit UML diagrams?” Visual Paradigm is ranked 4th while nomnoml is ranked 6th. The most important reason people chose Visual Paradigm is:
Visual Paradigm is actively developed and releases regular updates.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Actively developed.
Visual Paradigm is actively developed and releases regular updates.
Pro Everything runs client side
You can use the website even for sensitive content as nothing is sent to the server.
Pro Customizable
You can override the global styling for the diagram and you can also define custom types for the entities. It is really powerful.
Pro Free and open source
You can extend it, if you find something missing!
Pro Automatically saves
The browser-based tool automatically saves your changes to your localStorage, which is a nice and handy feature.
Pro Text format
The tool generates diagrams from a simple text format, which is easy to edit and you can even version control it.
Pro Fully fledged
It knows many types of UML entities and relationships so you will barely miss anything.
Cons
Con Subscription based and expensive.
The subscription model may turn some people away.
Con Can't connect entities on different levels
The tool can't connect entities on different levels, for example a class and a class inside an other package.