Based on our record, Moqups seems to be more popular. It has been mentiond 3 times 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.
Functions edit, add, remove post are for authorized persons (of course), that's why you have to make a new page with its layout by using Moqups, for example. - Source: dev.to / about 3 years ago
I would also look at https://moqups.com/ if super-high-fidelity screens are not required. Source: about 3 years ago
A mockup takes a wireframe to the next level. Depending on how confident you are in the design you’re proposing, you can create a basic mockup or put it more details, like images, colors and even some functionality. You can use tools like Mockflow and Moqups. Source: about 3 years ago
Balsamiq - Balsamiq. Rapid, effective and fun wireframing software.
Godot Engine - Feature-packed 2D and 3D open source game engine.
Invision - Prototyping and collaboration for design teams
GDevelop - GDevelop is an open-source game making software designed to be used by everyone.
UXpin - Design is really about solving problems. UXPin is the UX Design Platform that gets that right.
Unreal Engine - Unreal Engine 4 is a suite of integrated tools for game developers to design and build games, simulations, and visualizations.