Free UI kit
Neumorphism UI kit
Love it or hate it the neumorphism is here. And it will stay. There are a lot of pros and cons to whether you should use it, and I will leave this decision to you, but if you decide that you want to try it out... this UI kit is for you. This modern & useful UI kit can help you with your design exploration. It includes more than 30 screens, and all of them made to speed up the design process. The elements are easy to customize and adjust to your design.
This UI kit is absolutely free, and it will always be! However, you need to credit this source if commercial use happens.