The GIMP beginner tutorials are written and designed by contributors to the GNU Project, including Pat David and Raphael Quinet. Beginner tutorials can be found at GIMP.org and provide users instructions on how to perform basic tasks in GIMP, such as resizing, cropping and rotating images, with step-by-step instructions and image examples.
GIMP, originally released as the General Image Manipulation Program, is a free and open-source photo and graphics editor for Mac OSX, Microsoft Windows and Linux operating systems. Originally created by Spencer Kimball and Peter Mattis as an undergraduate school project, it has since been widely released for public use. Software updates, tools, extensions and supporting documentation, such as the beginner tutorials, are updated by GNU Project contributors, who are generally unpaid volunteers.
The software offers a variety of beginner and advanced media manipulation tools and is positioned as a free alternative to Adobe Photoshop. Similar to PhotoShop, the software allows users to manipulate images in individual layers and offers a number of user tools such as brushes and smudge, selection and other image manipulation tools. In addition to over 150 included effects and filters, such as blur, noise and drop-shadow effects, the software allows programmers to design and install outside plug-ins to add additional effects and functions.