Adobe XD: XD is made for designers, creative teams, and organizations that need to design at scale

Wireframe, design, prototype, present, and share amazing experiences for web, mobile, voice, and more — all in one app. XD is made for designers, creative teams, and organizations that need to design at scale. It’s everything you need to work more efficiently, collaborate effortlessly, and create and manage your design system.

Design tooling, reimagined.

XD brings design and prototyping together with fast, intuitive tools that get you into your designs and get out of your way. Access all your assets in one place, eliminate tedious manual tasks, and create experiences that adapt to any size screen.

https://www.adobe.com/products/xd.html

Features driving the future of teamwork.

We’re developing XD features like Coediting to make it easier to collaborate anytime, anywhere. You’ll soon be able to invite other designers to join you in your cloud documents, where you can see each other's work and collaborate in real time.

Howard Pinsky / Senior XD Evangelist has a very useful website with tons a tutorial and tips to master the applications. https://twitter.com/Pinsky

Whether you’re working alone or with a team, linked assets and components can speed up your workflow and keep your documents in sync.