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.
Ouch! Illustrations by Icons8 - Professional, perfectly matching, and customizable illustrations for any designs
Mockuuups Studio - Fast and easy way to create product mockups on macOS, Windows and Linux.
Control Illustrations - 108 free flat illustrations with customizable characters
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.
Humaaans - Mix-&-match illustrations of humans with a design library.