If you love Balsamiq for its simplicity, Wireframe.cc is a great browser-based option. It offers a minimal, clutter-free interface for drawing quick sketches. The basic version is free and requires no registration. 4. Quant-UX (Free & Open Source)
What are you using (Windows, Mac, or Web Browser)? Are you working alone or with a team ? Are you using this for school, a non-profit, or a business ? balsamiq wireframes license key