Windows: Lightscreen portable is a small, efficient and highly configurable screenshot tool. It can be installed and run from a pen drive if you want, and all of its functions can be mapped to hot key commands of your choice. It may not have an image editor, but it’s still a fantastic tool for taking screenshots.
Mac: Managing multiple cameras on your Mac can be a headache with generic disk images littered across your desktop to represent each device. Cameras removes this problem by providing a way of managing different camera devices connected at any one time and most importantly, allowing you to configure which applications to launch for which cameras.
iPhone: Getting bored of your iPhone wallpaper? Then get a load of them with this collection of Backgrounds. There are hundreds to choose from and all of them are neatly organized into categories so you can quickly pick one that suits your mood. Simply browse to an image that you like, click ‘Save’ and it will be automatically downloaded to your photo library.