Gyazo-linux is a project mainly written in C and SHELL, based on the GPL-3.0 license.
Gyazo client for Linux
This is the unofficial (at least for now) version for Linux of the Gyazo application. Gyazo is an open-source image hosting service (http://gyazo.com).
This application lets you select an area of the screen and then it automatically uploads it to Gyazo, opens it in a web browser and copy the URL to the clipboard.
I used a lot of code from gnome-screenshot, so thanks a lot to the people that contributed to it, namely Jonathan Blandfordh and Cosimo Cecchi according to the source code header.