UMLet might be a bit more popular than UXpin. We know about 1 link to it since March 2021 and only 1 link to UXpin. 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.
1st design a responsive website from templates that follow established design: UXPin.com . Most of the other prototyping solutions kinda felt like they're built for folks who can draw, sketch, or maybe organize their room and choose matching clothes. Not me. Not a designer, I can barely choose my own clothes, let alone design something. I can think in components though. I especially liked their storybook example.... Source: over 2 years ago
I like Umlet. It is a GUI drawing tool, but is not overbearing. Since I like to abuse the details of UML graphical notation, Umlet lets me type anything in a class "box" I like. Source: about 1 year ago
Invision - Prototyping and collaboration for design teams
draw.io - Online diagramming application
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
StarUML - StarUML
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.
UMLGraph - UMLGraph is a professional automated drawing tool that allows the designers the declarative specification and drawing of UML class and sequence diagram.