Yes, you can use mockups without Photoshop. There are many different tools and software programs that can be used to create mockups, and not all of them require Photoshop. Some popular options for creating mockups without Photoshop include Sketch, InVision Studio, Figma, and Adobe XD. These tools often have built-in mockup templates or features that you can use to quickly and easily create professional-looking mockups without needing to use Photoshop. Additionally, there are many websites and online platforms that offer mockup templates and tools that you can use without needing to install any software.