1. Lumzy
Basic Information: Lumzy is a Mockup and Prototype creation tool for websites and applications.
COST: FREE
With Lumzy, you can easily create your mock-ups and send to clients on the fly. It also features collaboration tools for team editing, a chat engine for deliberating over designs, file version and so much more.
2. MockFlow
Basic Information: MockFlow helps to design interactive UI mockups for Desktop Software, Rich Internet Apps and Web sites.
COST: FREE (basic account)
Un-like typical wireframe software, MockFlow aims at producing clean looking mockups in the shortest time possible and also provides built-in tools for collaboration.
3. mockingbird
Basic Information: mockingbird is an online tool that makes it easy for you to create, link together, preview, and share mockups of your website or application.
COST: FREE (limited)
3. OmniGraffle
Basic Information: OmniGraffle can help you make eye-popping graphic documents quickly by keeping lines connected to shapes even when they’re moved, providing powerful styling tools, importing and exporting Microsoft Visio files, and magically organizing diagrams with just one click.
COST: 14 day Trial
What wireframe tools do you use as a freelance web designer? Comment below
