Balsamiq is a low-fidelity wireframing tool used in user interface (UI) design.

Pros:

• Allows for quick sketching of ideas.
• Keeps focus on the basics without distracting colors or complex design elements.
• Ideal for low-fidelity wireframing.
• Can convert designs to PDF.

Cons:

• Unsuited for mid-fidelity or high-fidelity mockups.
• Some elements are difficult to edit.
• Limited collaborative functionalities.
• Limited UI elements.