Censor Private Information with Obfuscate
Obfuscate is a free and open source simple image application for Linux. Using Obfuscate you can remove unwanted data from your image files. Simply you can blur and erase any area in your image. It comes with keyboard shortcuts, redo and undo and zoom options. It is released under the GNU General Public License v3.0. This app still in early stage and need to improve.