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Gcolor is a very simple color picker that can be used to pick precise colors. It was inspired as a replacement for xcolorsel that offers a wider band of colors to pick from.

Gcolor2 is a simple, standalone GTK+ 2.0 color selector.

[ edited excerpt from developer's www site ] During image processing operations such as scanning and scaling, images tend to get blurry. The blurred impression of these images is due to the fact that image pixels are averaged with their neighbors. Blurred images don't have sharp boundaries and look as though they have been taken with an unfocussed camera. Refocus is a GIMP plug-in to "refocus" the image, using a technique called FIR Wiener filtering. The traditional technique for sharpening images is to use unsharp masking. Refocus generally produces better results than unsharp masking. The plugin can be found under "Filters > Enhance > Refocus"

eLectrix is an application to view Portable Document Format (PDF) files. Features: - zoom an rotation - basic text search - basic navigation history - fullscreen mode - tabs

Giram Is a Renderer And a Modeller. It is a Persistance Of Vision (POV-Ray) oriented modeller, but may become more of a general modeller in the future.

A plugin to GKrellM that displays thumbnails of periodically updated images.

The goal of the OpenGL Extension Wrangler Library (GLEW) is to assist C/C++ OpenGL developers with two tedious tasks: initializing and using extensions and writing portable applications. GLEW provides an efficient run-time mechanism to determine whether a certain extension is supported by the driver or not. OpenGL core and extension functionality is exposed via a single header file.

Gltt is a library that allows you to read and draw TrueType fonts in any OpenGL application. It supports bitmapped and anti-aliased font drawing as well as vectorized and polygonized drawing.

GOCR/JOCR is an OCR (Optical Character Recognition) program, developed under the GNU Public License. GOCR can be used with different front-ends, which makes it very easy to port to different OSes and architectures. It can open many different image formats, and its quality have been improving in a daily basis.

A Tcl Package to Read and Write Shapefiles Gpsmanshp was developed for use in GPSMan, a manager of GPS receiver data. It is written in C and is based on shapelib.