Invision - Prototyping and collaboration for design teams
Anthony Boyd Graphics - Anthony Boyd Graphics is the fastest-growing platform that offers high-quality and advanced level mockups, textures, 3D models, and UI kits for free to help designers to save time and effort.
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Craftwork - A collection of User Interface resources made by Craftwork
Pixeden - Pixeden is an all-in-one premium design and web resources platform that provides high-quality graphic design templates and lots of other files.
Dashboard UI Kit - A modern & responsive dashboard UI kit for designers.