
Invision
Proto.io
Flinto
Zeplin
Balsamiq
Moqups
Webflow
Pencil is an animation/drawing software for Mac OS X, Windows, and Linux.
Second Computer allows you to create another computer in the cloud

Website, pricing, platforms and company facts side by side.
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SC
Second Computer
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| Website | sourceforge.net | second.computer |
| Pricing | — | |
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What each product offers, as listed by its team.

Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Pencil is recommended for freelancers, small development teams, educators, and students who require a straightforward solution for creating wireframes. It is also suitable for UX designers working on less complex projects or those who prefer an open-source alternative to more expensive commercial tools.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Pencil and Second Computer. For example, how are they different and which one is better?
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Prototyping and collaboration for design teams
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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.
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The prototyping tool designers have been waiting for.
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Collaboration app for UI designers & frontend developers
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Balsamiq. Rapid, effective and fun wireframing software.
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The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
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