If you're looking for a way to build interactive prototypes without having to know how to code, Visily could be worth a look. This UI design tool has an interface that's easy to use, and it's got some AI-powered tools like Text to Diagram Beta and Sketch to Design that let you build high-fidelity wireframes and prototypes. It's also got more than 1,500 prebuilt templates, unlimited real-time collaboration and support for interaction prototypes. It's free to use for now, but a Pro version is coming.
Another option is Uizard, an AI-based UI design tool that tries to make the design process easier with a text-to-UI generator, drag-and-drop editor and real-time collaboration. Its AI tools can also generate designs from screenshots and predict user interactions. Uizard can be used to design mobile and web apps, and you can share designs in interactive prototype or code form, so it should be useful to product managers, designers and developers.
If you want a more full-featured design and prototyping tool, check out Mockitt. It lets you design and prototype rapidly, collaborate in real time, and has AI-powered tools like AI prototype generation and component generation. It can be used to design web and mobile apps, and it's got lots of tutorials, so Mockitt is good for UX designers, product managers and developers who want to get more out of their work and communicate better.
Last is Thread, which is geared for rapid wireframe creation with an interface that's based on users' descriptions. It's geared for ideation and prototyping, and you can use it for UX testing with customizable wireframes. The tool is accessible to non-designers, and pricing plans are designed to accommodate different needs. That could be useful for early-stage prototyping and UX testing.