Indigo Studio Alternatives

Design is really about solving problems. UXPin is the UX Design Platform that gets that right.

Prototyping and collaboration for design teams

Pencil is an animation/drawing software for Mac OS X, Windows, and Linux.

Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.

The prototyping and specification software used by 87% of the Fortune 100. Beyond mockups, design interactive prototypes for business solutions, websites, and applications.

Macaw: The Code-Savvy Web Design Tool

Antetype - Layout aware User Interface Design - responsive and future proof.

Fluid UI helps you prototype Android, iPhone, iPad or Windows 8 mobile apps with our custom libraries, or upload your own images for pixel perfect mobile

Create fully-interactive high-fidelity prototypes in minutes that look and work exactly like your app should. Sign up for a free 15-day trial and get started.

Pidoco is a powerful web-based prototyping software for rapidly creating clickable wireframes and interactive UX prototypes for web and mobile applications.

iRise combines fast prototyping with integrated requirements management to ensure you're managing the right requirements and user stories. 

The prototyping tool designers have been waiting for.