Effectively communicating business objectives can be challenging for web designers. Here is a nice online tool you can use to design and collaborate (in real-time) user interface mockups for your software and websites.
Screenshots
Why MockFlow?
1. Simple usability focused to make wireframing easier
2. Real-Time Design Collaboration (RTDC) enabled including Team Chat
3. Track project activities and get updates from your team members
4. Pages can be applied with multiple (recursive) templates saving time
5. Invite co-editors and reviewers for your Wireframe project
6. Export your Mockup to image / PDF document / PowerPoint presentation
7. Integrated WhiteBoard tool for drawing doodles on mockup
8. Built-in Web Snap tool for capturing webpages
9. Unique Expose snapshot feature
10. Compare pages function for A/B design testing
11. Create, Visualize and export your Wireframe’s SiteMap
12. Get annotated feedback directly in the mockup
13. Support for Revisions (real-time)
14. Import additional Component libraries or create your own
15. Never lose your work with the smart auto-recovery function
16. You can apply your preferred Wireframe Font with one-click
17. Very affordable online solution for developers and UI designers