Prototype Composer is described as 'Serena Prototype Composer - the best agile application prototyping tool is now free! View the demo, take the product tour, or download it free today' and is a Wireframing tool. There are more than 25 alternatives to Prototype Composer for a variety of platforms, including Web-based, Mac, Windows, Linux and iPhone apps. The best Prototype Composer alternative is Pencil Project, which is both free and Open Source. Other great apps like Prototype Composer are Lucidchart, Frame0, Balsamiq Wireframes and Wireflow.
Pencil is a standalone app that lets you create diagrams or UI mockups. It doesn't have collaboration/multi-user features.
Pencil Project is the most popular Windows, Mac & Linux alternative to Prototype Composer.
Pencil Project is the most popular Open Source & free alternative to Prototype Composer.
Lucidchart is a cloud-based platform that promotes teamwork through diagramming, collaboration, and data visualization. It serves millions worldwide, offering flowcharts, UML, real-time collaboration, Visio support, and browser access. Designed for innovation and understanding, it integrates easily into workflows.
Lucidchart is the most popular Web-based, Android, iPhone, iPad, SaaS & Android Tablet alternative to Prototype Composer.
Sketch your app ideas without stress Make hand-drawn style wireframes quickly and easily.
Low-fidelity UI wireframing tool simulating sketching experience, optimized for speed with Quick Add, built for collaboration, drag-n-drop simplicity, exportable wireframes to PNG/PDF, interactive prototypes via linking, hundreds of UI components, reusable symbols, and more.
Balsamiq Wireframes is the most popular commercial alternative to Prototype Composer.
Feature-rich, open-source Wireflow offers a collaborative platform for online creation of complex user flow prototypes. Ideal for team work in UI design, wireframing, and mind mapping, promoting idea sharing in real-time environment aided by modern whiteboard features.
Wireflow is the most popular Self-Hosted alternative to Prototype Composer.
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 magically organizing diagrams with just one click.
Versatile diagram software offering extensive templates for flowcharts, org charts, and more. AI integration simplifies diagramming, facilitates project analysis, and includes features like chatbots and OCR. Suitable for personal, professional, and collaborative use.
A streamlined web app that helps you create and collaborate in real-time on wireframes, mockups, diagrams and prototypes.
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 platform and best practices from your peers.
Axure RP is the leading tool for rapidly creating wireframes, prototypes and specifications for applications and web sites.
Instead of starting with a blank screen, SmartDraw gives you the exact template you need. Then use simple commands to add your information and SmartDraw does the rest. There's no other drawing software like it.
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Lucidchart is not a wireframing tool