UI designers often use various software tools, including:
Adobe XD: A vector-based design tool for creating user interfaces and prototypes.
Sketch: A popular macOS app for UI design, known for its ease of use.
Figma: A cloud-based design tool that allows collaboration in real time.
InVision: A platform for creating interactive prototypes and sharing design work with stakeholders.
Axure RP: A tool for creating complex prototypes with dynamic interactions.