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POP (Prototyping on Paper)
POP helps you make interactive prototype with ease. If you can draw, you can design apps.
19 Alternatives To POP (Prototyping on Paper)
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BluePrint UI design
Blueprint is an UI design application for iPad and iPhone
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Composite
Composite is a brand new way of creating interactive prototypes. It automatically connects to your Photoshop® document and converts your mockups into interactive prototypes in seconds. No need to export images or maintain tons of hotspots.
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Indigo Studio
Indigo Studio offers a complete solution for collaborative prototyping and usability testing with video replays.
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LucidChart
LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Proto
Proto® Mini Impact Wrenches- Pistol Grip Proto® Flex Head Precision 90 Pear Head Ratchets Proto® 550E 88" Power Workstation - 18 Drawer, Safety Red and Gray J558846-18SG-PD Proto® 550E 88" Power Workstation - 18 Drawer, Safety Red and Gray Proto® Mu…