Prototyping and wireframing is really important in any design project. I use computer based UX design tools for my projects. Some days back i run into a problem with my computer so i search for an online solution of UX design tools,  i was shocked to get so many good options. In this article i have compiled a list of 7 free cloud based UX design tools for web designers. I hope these tools will help you in your next project.

UXPin

UxPin is a UX design tool that creates interactive wireframes and prototypes. The user has a Tool Kit with common design elements and a library of custom UI elements. UxPin has a control version and lets users share projects with anyone.

Notism

Notism provide A smarter way to discuss visual content with your team. Share your designs, gather feedback in REAL TIME from your co-workers or clients, create interactive prototypes and  boost up your creative workflow today.

MoqUps

Moqups is a nifty HTML5 App used to create wireframes, mockups or UI concepts, prototypes depending on how you like to call them.

Quirk Tools

Quirk Tools help you stay creative, connected, and collaborating with clients and coworkers. Quirk tools helps you share your creative compositions, to building prototypes right in your web browser.

Proto.IO

Proto.IO  can help you create prototypes that work exactly like your real app would. Select devices and add components to create your interface. Proto.IO was specifically created for mobile, so it can emulate screen transitions, orientation changes or touch gestures.

Wireframe

Wireframe has a super-minimal interface that give you an easy way to create elements. You can change the color of wireframes and create clear layouts to share.

Invision App

Invision can transform your designs into prototypes for web and mobile. It’s integrated with Photoshop, Fireworks and illustrator. You can upload images and use hotspots to create interactions like a real app.