When comparing Creately vs nomnoml, the Slant community recommends nomnoml for most people. In the question“What is the fastest way to create and edit UML diagrams?” nomnoml is ranked 6th while Creately is ranked 13th. The most important reason people chose nomnoml is:
You can use the website even for sensitive content as nothing is sent to the server.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Professionally designed templates
The templates are well thought-out and actually helps you get started. Not like many other sites where the details are already filled in.
Pro Easy and simple to use
Consist with an example diagram which we can use to draw the diagram.
Most required diagrams are available.
Pro Works across all operating system (Windows/MacOS/Linux)
Does not require flash.
Pro Intuitive UI
Easy to use drag and drop interface and a contextual toolbar that shows you all the important actions when you select an object. The automatic creation and connecting of next object alone saves tons of time.
Pro Real time collaboration
You can invite anyone by their email addresses to collaborate with your diagram. You can see others' changes to the diagram real time with the Creately Online and Desktop app.
Pro Visio Import
Pro iSO and Android apps to view diagrams
You can't edit diagram using the apps but provides a nice clean interface to view, share and comment on them.
Pro SVG import and export
Creately supports SVG (Scalar Vector Graphics) import and export to make your diagrams more attractive. It allows you to re-size your diagram as much as you want without getting it messed up.
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 Watermark on export for free users
If you are a free user, exporting a document will create a watermark.
Con Web version requires Flash
Flash is known to have security flaws and use high resources.
Con Dekstop version is commercial
If you want to use dekstop version, you need to pay $75.00/ user.
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.