Prototyping tools are the big relief to our community of digital designers. prototyping tools allow designers to experience how their project will work when it will get completed. They let you simulate how the application flow, test their performance and create a great user experience for applications and websites without writing even a single line of code. Here are few factors that will assist you in your research : Adaptation, Sharing, Usage, Easiness of Use and Comfort, and price.
User interface (UI) design is the process of making interfaces in software or computerized devices with a focus on looks or style. User experience (UX) design is the process of creating products that provide meaningful and relevant experiences to users.

1. Sketch
Sketch is a vector editor with unlimited possibilities which is almost like a combination of Photoshop and Illustrator. Using the tool, designers can craft amazing layouts and convert them into code using some add-ons. A powerful tool for anyone who looking for a prototyping tool.

2. InVision
InVision is a screen designing tool used by thousands of app UI designers. The tool is extremely powerful with its various functions and features that allow even beginners to craft interactive, rich prototypes. Design, prototype, animate, and collaborate using the InVision app UI designing tool.

3. Zeplin
Zeplin is created with the motive of improving the collaboration with the engineers and designers by helping them create a perfect prototype of their products. The collaboration tool will also let the team communicate each other with an amazing platform of tools and prototyping features.

4. UXPin
Using the tool, you can transform your ideas into functional designs and prototypes. It is also possible importing designs from the tools like Sketch making it a lot more easier to work with. UXPin also let the team collaborate and communicate in an easier manner to make it extremely simple crafting perfect prototypes.

5. FIGMA
FIGMA is the first interactive UI designing tool based on a browser. You can also use the same tool to prototype your designs and present it once done. The things are as easy as dragging and dropping the necessary elements, fixing their positions, and editing according to the requirements. Definitely one of the easiest prototyping tools out there.

6. Webflow
Webflow is a web designing tool used to create responsive website designs. You can start by designing your website, then build it using the functionalities, and when everything is ready, launch it on the internet. The powerful tools available in the platform will equal all the coding efforts with just few drag and drop stuff.

7. Proto.io
Proto.io is yet another prototyping tool used by many big brands. Using the tool, you will be able to design the product, create prototypes, preview them once done, and finally share and collaborate with your team members. You can also import the prototypes from the software like Sketch or Photoshop and continue working on them on Proto.

8. Adobe XD
dobe XD is an excellent tool to design and prototype your websites, mobile applications, voice interactions, touch screens, etc. Using the XD, anyone can create a responsive product within a matter of minutes. The tool is also available in the form of mobile apps for Android and iOS devices. Plugins and UI kits available for the software are great additions to the tool making it much more volatile.

9. Principle
Principle is the perfect tool for creating animated and interactive user interfaces. It is not one of those tools with a lot of features and functions. However, still, it is one of the easiest tools out there that can be trusted. Using the tool, the possibilities are limitless. Your imagination is your limit. You can design and animate in whatever way you like.

10. Flinto
Flinto is a tool helpful for the app designers and developers to craft an animated design of their app user interface. It comes with plenty of features such as the Animated Transitions, Micro-Interactions, 10+ Gestures, Drawing Tools, Viewer App, Springs and Easing, Scroll Animations, 3D Rotation, Video Layers, Dribbble Integration, Video, and GIF Export, etc.

Hope you found this read to be helpful in your search to find the best UI and UX prototyping tools for your work. Do let us know which ones you picked and why.