If you’re looking for light and handy image manager for Linux, Then maybe in Shotwell you find everything you’re looking for. This is a open source photo manager designed for Gnome which has a number of notable features.
With Shotwell can import all the images you want easily and can access to all folders on your computer and even to any digital camera you have connected to your PC, But that ‘s it, you can also easily organize all your photos and can do so from the dates they were taken for example. Even allows you to edit a series of labels of each image to be able to manage them in different ways.
Shotwell also enables you to edit images quickly, Giving you the tools to correct red eye, add different effects to your photos, rotate them , making adjustments for exposure , saturation , cut , resize , etc.
As you can see this is a very practical image manager , with the basic tools and essential, and that if this were not enough it also will allow you published photos on Picasa albums , Facebook and Flickr.
Link | Shotwell