PixelSnap is an app for macOS that makes it easier for designers and web-developers to measure anything on their screens by just clicking and dragging around the cursor.
Maze + Marvel is the easiest way to turn Marvel prototypes into actionable insights and see how your designs perform.
Abaci is a text scale (hierarchy) calculator for designers and developers. Whether it's pixels or points, you can calculate the appropriate ratio of heading sizes based on one initial size. Calculations are based on the famous Fibonacci sequence, seen in architecture, nature, art...and design!