Pencil Project is an open-source GUI prototyping software designed to help developers create mockups across popular desktop platforms. It lets teams draw different types of user interfaces ranging from desktop to mobile platforms using the built-in shapes collection.
Fluid UI is a cloud-based software that provides product designers with tools to create web and mobile prototypes for iOS, Android, and web platforms. Supervisors can upload new assets on the platform or utilize the built-in component libraries to select and streamline prototyping processes.
Software Ideas Modeler is a lightweight yet powerful CASE tool. Its complete toolset allows users to describe and design software and processes using UML 2.5, BPMN 2.0, SysML 1.5, ERD, flowcharts, ArchiMate, Autosar, and other diagrams.
With HotGloo's run-anywhere web-based tool supports comments, notifications and live communication or review wireframes with clients. It offers library of interactive elements (prebuilt menus, sign up forms, nav bars). Prototype for the web or use the latest iPhone & iPad UI widgets.
Mockingbird is a wireframing software that provides businesses with tools to create mockups of applications on centralized platform. Developers can utilize the drag-and-drop interface to rearrange or resize UI elements according to requirements.
ProtoShare is a web-based wireframing and prototyping tool with integrated collaboration. Rapidly create, share, and iterate your ideas in the cloud and easily gain stakeholder feedback and decisions on prototypes, design comps, and even live websites.
MockupTiger helps you build wireframes, mockups and prototypes. It is very unique web based Rapid prototyping application and offers the best widgets to build Dashboard Wireframes or website Mockups. Provides scalable library of vector Icons, powerful Text widgets, containers and boxes and Dashboard Chart widgets.
The best web based HTML5 prototyping application. It is fast, flexible and super fun to work with