Marvelapp.com — Design, prototyping, and collaboration, free plan limited to one user and project. - Source: dev.to / 5 months ago

At this stage your main goal should be to prototype it and test it with people to validate the idea. Or at the very least have something people can look at and respond to. Don’t worry about building a coded and working version yet. Start with a clickable prototype which can be built using design tools. Most people use Figma these days but if you’re just starting out you could use something like Marvel, which is... Source: about 1 year ago

Marvelapp.com — Design, prototyping and collaboration, free plan limited to one user and one project. - Source: dev.to / over 1 year ago

Hi, I am doing research on some of the user testing tools out there like lookback.io, Marvelapp.com, maze.design, usabilityhub.com, userbrain.net, usertesting.com, userzoom.com. I would like to know about your experience. Source: over 1 year ago

As far as I can remember, I saw https://marvelapp.com/ doing it to add a prototype to the homescreen. Source: about 2 years ago

I really like https://sequencediagram.org/. - Source: Hacker News / 8 months ago

SequenceDiagrams.org is a web-based tool for easily designing sequence diagrams. The tool is free, not open source and maintained by donations from their community. - Source: dev.to / 11 months ago

Https://sequencediagram.org/ is the best sequence diagram tool like that. It does diagram-to-text to if you draw a line etc with mouse. Can right click and have context options too. - Source: Hacker News / 11 months ago

Prompt developers to create sufficiently detailed diagrams (sequence diagrams, data flow diagrams, etc.). Provide GUI tools for creating such diagrams, ideally with some form of markdown language (like https://sequencediagram.org/). Source: almost 1 year ago

Looks cool! You can also consider using a sequence diagram for this kind of stuff. Source: about 1 year ago