Based on our record, NinjaMock seems to be more popular. It has been mentiond 1 time since March 2021. 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.
Https://ninjamock.com/ was the one I recommended, it's free to a certain amount of projects, can't remember what it was, 3 I think. Source: over 1 year ago
Mockups Design - Mockups Design is the most leading web-based application that comes with a vast collection of creatively design mockups for all kinds of products and devices.
Balsamiq - Balsamiq. Rapid, effective and fun wireframing software.
Pixeden - Pixeden is an all-in-one premium design and web resources platform that provides high-quality graphic design templates and lots of other files.
Moqups - The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
Mr. Mockup - Mr.
Invision - Prototyping and collaboration for design teams