Streamline icons - The world’s largest icon pack library - 100k icons and illustrations.
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
IconStore - Free icon packs by first-class designers
Adobe XD - Adobe XD is an all-in-one UX/UI solution for designing websites, mobile apps and more.
Iconjar - Store all your icons in one place, just a click away
Dotgrid - A simple vector illustration tool.