Interfacer - Collection of more than 200+ free design resources
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Blush - Illustrations for everyone
story.to.design - Keep your Figma components up to date with code
Freebiesbug - Collection of the best free web design resources.
Designmodo - Timesaving tools for designers, developers and marketers. Designmodo offers website and email builders.