Alternatives to Prototype Composer for all platforms with any license

Pencil Project

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...

Free Open Source Mac Windows Linux PortableApps.com Electron / Atom Shell ... Firefox
Prototyping Cliparts Drawing Firefox Extensions ... Sketching Wireframing Add a feature

351 Like
Lucidchart

Online diagram and flowchart software that supports Microsoft Visio import and can work on any operating system.
- Lucidchart is not a wireframing tool Guest • Nov 2015 • 1 agrees and 0 disagrees
Freemium $ $ $ Web Android iPhone Chrome OS Microsoft Office Word ... Google Drive Google Drive - Docs Google Apps Google Drive - Sheets Microsoft Office Suite
Real time collaboration Team Collaboration Charts General-purpose diagramming ... Prototyping Real time collaboration Export to PDF Sequence Diagrams UML diagrams Visitor management Web-Based Wireframing Add a feature

496 Like
InVision

We believe the screen is the most important place in the world. That’s why we are dedicated to helping you deliver the best possible digital product experience, with our...

Freemium $ $ $ Web Android iPhone Android Tablet iPad
Import from Sketch Prototyping Basecamp integration Design handoff ... GitHub integration Group chat Jira integration Kanban boards Support for @mentions Real time collaboration Slack integration Trello integration Add a feature

66 Like
Balsamiq Wireframes

Balsamiq Wireframes is a rapid low-fidelity UI wireframing tool that reproduces the experience of sketching on a notepad or whiteboard, but using a computer. FEATURES...

Freemium $ $ $ Mac Windows Web
Drawing Real time collaboration Wireframing Add a feature

110 Like
OmniGraffle

OmniGraffle can help you make eye-popping graphic documents—quickly—by providing powerful styling tools, keeping lines connected to shapes even when they’re moved, and...

Commercial Mac iPad
Workflow Add a feature

173 Like
Edraw Max

Creating flowcharts, organizational charts, business diagrams, science illustration, network diagrams, mind map and lots more.

Commercial $ $ $ Mac Windows Linux
Floor Plan Real time collaboration Export to PDF Add a feature

40 Like
Marvel

The collaborative design platform. Wireframe, prototype, design online and create design specs in one place. Or create an integration with our API.

Freemium $ $ $ Android iPhone Android Tablet iPad Apple Watch ... Apple TV Apple Messages Software as a Service (SaaS)
Prototyping Anonymous Commenting Built-in Commenting System Add a feature

24 Like
Axure RP

The most powerful way to plan, prototype, and hand off to developers, all without code.

Commercial $ $ $ Mac Windows Sketch
Prototyping Add a feature

36 Like
Gliffy

"If they could see what Im thinking, they'd get it!" People just understand faster with pictures. It helps them see how information is connected, whether...

Commercial Web Chrome OS
Workflow Add a feature

48 Like
Diagramo

Diagramo is an online flowchart software - diagrams (create, edit and share) - organization charts (create, edit and share) - network diagrams (create, edit and...

Free Open Source Web
Export to PNG Open Source apps Web-Based Add a feature

17 Like
Origami Studio

Origami Studio is a free design tool built by Facebook designers for creating interactive UI prototypes. An elegant, layer-based interface allows designers to repaidly...

Free Mac Android iPhone
Prototyping Add a feature

11 Like
Wired Designer

Wired Designer is a mockup tool built using web components from the Wired Elements library. It's made by the author of Rough.js...

Free Open Source Web Self-Hosted
Prototyping Add a feature

4 Like
STUDIO

STUDIO lets you easily design & publish websites from scratch without writing any code. With the option of starting from a blank canvas, wireframe or template, you...

Freemium $ $ $ Web
Custom types builder Responsive design WYSIWYG Support Add a feature

7 Like
Phase

Design and prototype websites and apps intuitively, in a new product reworked for the digital age.

Free Mac Windows Web
Prototyping UX Design Add a feature

19 Like
MockFlow

Nothing to download/install, create and access your mockups from anywhere. Add pages with templates and define links to present a clickable prototype. Our...

Freemium Web
Real time collaboration Wireframing Add a feature

19 Like