Axure vs Vectr

Allows creation of interactive HTML mock-ups which is accessible for both websites and mobile applications.

Great web options, but you can also save your wire frames out to Word and convert the notes to annotations.

You can create a component (widget) that you can use over and over again.

Available for use on Windows and Mac.

You can set up a project with SVN-like check-in/out system to work with others.

There is a wealth of online training including videos for getting the basics down, a great community to mine, and support team to help assist with more technical details.

Vectr is simpler than other web design or vector graphics design tools, and has all the features needed to make designs beautiful.

Embedded editor in WordPress is perfect for editing / creating: annotated images, watermarks, banners, image-collages, infographics, logotypes.

The grid and snap lines in your workspace serve as a visual aid and guideline for the composition and alignment of your designs.

You may import your previous designs or downloaded graphics and edit them in Vectr as you like.

You can send the unique URL to your Vectr project to friends and colleagues for collaboration.

Vectr has a very low learning curve and would be perfect for beginners. However, it’s absolutely easy to use no matter what your background is. Professional designers will also find a great number of useful tools which may change their designs completely.

Vectr's desktop app works offline for up to 100 edits, and then once you get online it automatically synchronizes all of the projects with your online account. So you can work whenever you want without fearing for your projects.

The app is going to remain free forever.

You may download Vectr for Mac, Windows, Linux, and Chromebook.