Description: Ninja UI is an open-source user interface design and prototyping tool for web applications and websites. It allows designers and developers to rapidly create wireframes, prototypes, mockups and hi-fidelity designs.
Type: software
Pricing: Open Source
Description: yEd is a free and open-source diagramming software for Windows, macOS, and Linux. It allows users to quickly and easily create diagrams like flowcharts, network diagrams, UML diagrams, BPMN diagrams, org charts, and more. yEd has automatic layout algorithms to tidy up diagram layouts.
Type: software
Pricing: Open Source