WireframeSketcher

WireframeSketcher is a wireframing tool for designers, developers, and product managers. It allows for the quick creation of wireframes, mockups, and prototypes for desktop, web, and mobile applications. The tool offers features such as creating your own templates, widgets, and icons. Everything is vector-based and looks good at any resolution. It supports team collaboration through version control and project management. The pricing model is not explicitly stated.