
Proto.io
Flinto
Zeplin
Balsamiq
Moqups
Axure
Framer
Pencil is an animation/drawing software for Mac OS X, Windows, and Linux.

Mailflow.sh
Stackmail is a webmail service whereby you can log in to your emails from any browser at any time!
Which is more popular?
Website, pricing, platforms and company facts side by side.
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| Website | sourceforge.net | stackmail.com |
| Pricing | — | |
| Listed in |
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.
Amazon Basics #2 Pencil Review - ✎W&G✎
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Pencil and StackMail. For example, how are they different and which one is better?
When comparing Pencil and StackMail, you can also consider the following products.

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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A self-hosted, unified webmail client. Connect multiple IMAP/SMTP accounts and manage them all in one clean interface.
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Collaboration app for UI designers & frontend developers
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Balsamiq. Rapid, effective and fun wireframing software.
Compare Balsamiq to Pencil or StackMail:

The most stunning HTML5 app for creating resolution-independent SVG mockups, wireframes & interactive prototypes for your next project
Compare Moqups to Pencil or StackMail: