Meazure - What are the dimensions of that image? How big is this window?
Zeplin - Collaboration app for UI designers & frontend developers
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
Abstract - A secure, version-controlled hub for your design files
On-Screen Ruler - lightweight, free, semi-transparent ruler
Mightytext - Send & Receive SMS Text Messages from your computer. Sync'd with your Android #