Single-user mockup / wireframing / diagramming tool Created by Evolus Pencil is a standalone app or Firefox extension that lets you create diagrams or UI mockups. It doesn’t have collaboration/multi-user features. The Pencil Projects unique mission is to build a free and opensource tool for making diagrams and GUI prototyping that everyone can use.Top features:Built-in stencils for diagraming and prototypingMulti-page document with background pageInter-page linkings!On-screen text editing with rich-text supportsExporting to HTML, PNG, Openoffice.org document, Word document and PDF.Undo/redo supportsInstalling user-defined stencils and templatesStandard drawing operations: aligning, z-ordering, scaling, rotating…Cross-platformsAdding external objectsPersonal CollectionClipart BrowserAnd much more…… More Info »Pencil can be installed as Firefox extension or as a standalone application for Windows.
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Pencil Project
Alternatives
| # | Image | App Name | Features | Platforms | Price | Website Link |
| 1 | draw.io Alternatives and Similar Software | Online Chrome OS Self-Hosted Google Chrome |
Free | Website | ||
| 3 |  |
Diagram Designer | Windows | Free | Website | |
| 4 | Microsoft Office Visio Alternatives for Windows tagged with Vector Graphics | Windows Windows S |
Commercial | Website | ||
| 5 |  |
Akira | Linux GTK+ |
Free | Website | |
| 6 |  |
Lekh Diagram | Android iPhone iPad |
Free | Website | |
| 7 |  |
Adobe XD | Mac Windows Android iPhone Android Tablet iPad |
Freemium | Website | |
| 8 |  |
Diagramo | Web | Free | Website | |
| 9 |  |
OmniGraffle | Mac iPad |
Commercial | Website | |
| 10 |  |
Alva | Mac Windows Linux |
Free | Website | |
| 11 |  |
Wired Designer | Web | Self-Hosted | Free | Website |
| 12 |  |
MockFlow | Web | Software as a Service (SaaS) | Freemium | Website |
| 13 |  |
Gliffy | Web | Chrome OS | Commercial | Website |
| 14 | WireframeSketcher Alternatives and Similar Software | Mac Windows Linux Eclipse |
Commercial | Website | ||
| 15 |  |
quickMockup | Web | Mac Windows Self-Hosted Linux |
Free | Website |
| 16 |  |
Sketch | Mac | Commercial | Website | |
| 17 |  |
Linked Ideas | Mac | Free | Website | |
| 18 |  |
Axure RP | Mac Sketch Windows |
Commercial | Website | |
| 19 |  |
Edraw Max | Mac Windows Linux |
Commercial | Website | |
| 20 |  |
MockupTiger | Web | Windows Android iPhone Linux iPad |
Commercial | Website |
| 21 |  |
Flowgorithm | Windows | Free | Website | |
| 22 |  |
UXPin | Web | Mac Windows Linux |
Commercial | Website |
| 23 | SmartDraw Alternatives and Similar Software | Mac Windows Online |
Commercial | Website | ||
| 24 |  |
TouchDraw | Mac Android iPad |
Commercial | Website | |
| 25 |  |
Mockup Designer | Web | Self-Hosted | Free | Website |
| 26 |  |
ClickCharts | Mac Windows Android Kindle Fire |
Free Personal | Website | |
| 27 |  |
LibreOffice – Draw | Mac Windows BSD Linux PortableApps.com |
Free | Website | |
| 28 |  |
Mind Maps Pro | Windows S Windows |
Commercial | Website | |
| 29 |  |
Balsamiq Wireframes | Web | Mac Windows |
Commercial | Website |
| 30 |  |
Dotgrid | Mac Windows Linux |
Free | Website | |
| 31 |  |
SpiderScribe.net | Web | Free Personal | Website | |
| 32 |  |
Apache OpenOffice Draw | Mac Windows Linux |
Free | Website | |
| 33 |  |
PathVisio | Web | Free | Website | |
| 34 |  |
Violet UML Editor | Mac Windows Linux |
Free | Website | |
| 35 |  |
Origami Studio | Mac Android iPhone |
Free | Website | |
| 36 |  |
Visio Viewer | Mac Android iPhone iPad |
Commercial | Website | |
| 37 |  |
Scapple | Mac Windows |
Commercial | Website | |
| 38 |  |
Mockups for Android | Android Tablet Android |
Freemium | Website |