G’MIC stands for GREYC’s Magic Image Converter. G´MIC is a great tool offering a large number of picture manipulation techniques in real professional high end quality. G’MIC has been made available as an easy-to-use plug-in for GIMP. It extends this retouching software capabilities by offering a large number of pre-defined image filters and effects.
Of course, this plug-in is highly customizable and it is possible to dynamically add your custom G’MIC-written filters in it. G’MIC comes with a large number of pre-defined image filters and effects and works on Windows, Linux and Mac OSX. More info and screenshots can be found at G’MIC homepage.
Installation
For Ubuntu:
Add Package repository :
A repository of G’MIC packages for Debian or Ubuntu Linux is available, and can be added to your /etc/apt/sources.list file :
$ deb http://glouk.legtux.org/gmic_apt xxxx contrib
(where xxxx can be replaced by etch,lenny,squeeze,sid,dapper,edgy,feisty,gutsy,hardy,intrepid,jaunty,karmic or lucid, depending on your distribution version.)
Then, type:
$ apt-get update
$ apt-get install gmic
For Other Linux Distro:
Download Here. You just have to unzip the downloaded file and move the “gmic_gimp” file to the GIMP plugins folder which is “~/home/users/.gimp-2.6/plug-ins/”. Very simple.
Once installed, start GIMP, import an image and go to Filters > G’MIC (G’MIC won’t show up if no image has been imported). If you’re using GIMP 2.7.x (still in development), this might not work! Install GIMP 2.6.10 instead

