PowerMockup is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is Pencil Project, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 25 alternatives to PowerMockup and 11 are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to PowerMockup are Balsamiq Wireframes (Paid), Axure RP (Paid), WireframeSketcher (Paid) and MockFlow.com (Paid).
WireframeSketcher is a software tool that helps quickly create wireframes, mockups and prototypes for desktop, web and mobile applications. It comes both as a plug-in for any Eclipse-based IDE and a standalone version.
MockFlow provides a one-stop solution for all UI planning needs that includes UI design mockups, sitemap, documentation and design approvals. This service is offered by 'A Produle Systems (P) Limited'. For upto date information on our products visit our blog here.
Justinmind is the best solution to prototype any web or mobile app you can think of. You can define websites and apps for Web, iOS, and Android with our intuitive drag-and-drop interface. No code involved.
UXPin is a web-based system for managing design documents like wireframes, sitemaps, persona descriptions or flowcharts. It lets you upload image files, invite teammates to review and comment on them, and keep track of revisions.
HotGloo is a UX, wireframe and prototyping tool designed to build wireframes for web, mobile and wearables. Create and share fully interactive prototypes with your team and clients and gather feedback on the process.
SwordSoft Layout is an desktop application that makes it very easy for you to create, preview, and manage mockups of your website, mobile application or desktop application. With so many UI elements to choose from, you can design anything.