Facebook Design Resources - A collection of free resources made by designers at Facebook

Figma - Team-based interface design, Figma lets you collaborate on designs in real time.

Harvest - Simple time tracking, fast online invoicing, and powerful reporting software. Simplify employee timesheets and billing. Get started for free.

story.to.design - Keep your Figma components up to date with code

GEEKtyper - Code like in the movies

Designmodo - Timesaving tools for designers, developers and marketers. Designmodo offers website and email builders.