Ubuntu users can manage and upload picture on Facebook and Flickr using a free desktop tool. Shotwell is a free desktop tool for GNOME desktop environment to manage pictures, edit and upload them on Facebook and Flickr.
Shotwell 0.4.3 is the latest version of this software and available for download. Shotwell is a well known open source photo organizer and you can use the same to upload pictures of social media network Facebook and Image Host Flickr. You may checkout the instructions for installing the Shotwell program on different Linux distributions like Ubuntu, Fedora, openSUSE.