Prototype Composer has been discontinued. Similar apps include Pencil Project, which is free and open source. Other options are Lucidchart, Frame0, Balsamiq Wireframes and Wireflow. You're spoiled for choice with Prototyping Tools like Prototype Composer: we list more than 25 alternatives for the web, Mac, Windows, Linux and iPhone.
Studio.Design is the site builder for designers. The browser app is packed with design features as intuitive as Figma, a CMS as simple as Notion, and one-click publishing to your domain. Now, you can finally turn any idea into a stunning website quickly and easily.
United States
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 create prototypes with layers, build interactions and then share them with others.
United States
Open source wireframing tool written in typescript, react and redux.
Germany
EU
Revolutionize your development process by bridging the gap between designers and developers to turn your design visions into production-ready UIs.
FinlandEU
WireframeSketcher is a software tool that helps product managers, designers and developers quickly create wireframes, mockups and prototypes for desktop, web and mobile applications. It’s standalone software and a plug-in for any Eclipse IDE.
GermanyEU
Web-based diagram platform offers real-time teamwork, 50+ diagram and mind mapping types, technical wireframing, smart objects, templates, version control, secure cloud storage, PDF export, collaboration tools, commenting, and integration for business and education use.
Australia
Justinmind is the best solution to prototype any web or mobile app you can think of. You can define websites and apps for Web, iOS, and Android with our intuitive drag-and-drop interface. No code involved.
SpainEU
ProcessMaker is a cost effective and easy to use open source business process management (BPM) or workflow software application.
United States
"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 it is complete, and how a shift in one element impacts something else.
United States
Diagramo is an online flowchart software
United States
MockFlow accelerates early-stage product design and ideation with AI-powered wireframing, prototyping, and visual brainstorming. WireframePro and IdeaBoard enable teams to collaboratively transform initial concepts into professional, shareable wireframes and diagrams.
India
MyDraw is an easy to use, yet powerful diagramming software that lets you create a large number of diagrams like flowcharts, organizational charts, mind maps, network diagrams, floor plans, family trees, business model diagrams, and many more.
BulgariaEU
