Fluid UI is a browser-based wireframing and prototyping tool developed by Fluid Software and used to design mobile touch interfaces.
License: Freemium
Fluid UI is a prototyping and wireframing tool that excels in user-friendly design and rapid collaboration, making it ideal for startups and small teams. In contrast, Enterprise Architect is a comprehensive modeling tool suited for large enterprises, offering extensive documentation and modeling capabilities but with a steeper learning curve.