Iconclub is a free app that you can use to prototype at the light of speed!
The app includes 8000+ free for commercial use icons from the most popular icon repositories and provides a powerful search feature to find what you need in seconds. In addition, you are allowed to drag and drop icons into apps like Adobe XD, Illustrator, Photoshop or Sketch. It’s great tool for every UI/UX designer. Cool, is it? Iconclub app was created by Philip Trautmann and Marco Sadowski and it is available for both Windows and Mac.