Canva - Canva is a graphic-design platform with a drag-and-drop interface to create print or visual content while providing templates, images, and fonts. Canva makes graphic design more straightforward and accessible regardless of skill level.

On-Screen Ruler - lightweight, free, semi-transparent ruler

Meme Generator Pro - Meme Generator Pro is a free to use mobile application that offers all the advanced features and services or those who want to enjoy memes.

Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.

Picmaker - Design the Future

Pixus - Pixus is an AIR pixel ruler application, a handy tool for web and interface designers.