On-Screen Ruler - lightweight, free, semi-transparent ruler
Coffee Cam - Coffee Cam is a tool to express your true self by making stunning images directly on your mobile device.
Meazure - What are the dimensions of that image? How big is this window?
PartyNow - PartyNow is a simple yet powerful photo-editing application that allows you to capture retro style images and videos.
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
Vintage Camera - Vintage Camera – Lomo, Light Leak, Photo Editor, Retro is a photo filter application comes with a unique twist that makes it easy and fun to turn your favorite moments into cool-looking memories.