No LaunchKit - Open Source videos yet. You could help us improve this page by suggesting one.
Meazure - What are the dimensions of that image? How big is this window?
Google Open Source - All of Googles open source projects under a single umbrella
ScreenRuler - ScreenRuler lets you measure objects on your Ubuntu desktop using six different metrics.
SmallDevTools - Handy developer tools with a delightful interface
Bluegrams Screen Ruler - A lightweight and configurable ruler tool for Windows Desktop.
whatdevsneed - This is whatdevsneed.