There are many tools available that can be helpful in designing and evaluating user interfaces. Some popular ones include:

1. Sketch: a design tool specifically for user interface design, prototyping, and collaboration.
2. Adobe XD: a user experience design tool for prototyping and designing user interfaces.
3. InVision Studio: a design and prototyping tool for creating interactive user interfaces.
4. Figma: a collaborative design tool that allows for the creation of user interfaces and prototypes.
5. Adobe Photoshop: a popular image editing tool that can be used for designing user interface elements.
6. Marvel: a prototyping tool that allows for the creation of interactive user interface prototypes.
7. Axure RP: a tool for creating wireframes, prototypes, and specifications for user interfaces.
8. Balsamiq: a rapid wireframing tool that can be used to create low-fidelity prototypes of user interfaces.
9. Hootsuite: a social media management platform with a user-friendly interface.
10. UserTesting: a user research platform that allows designers to gather feedback on their user interfaces from real users.