http://www.digikam.org/

Digikam is an application for managing and organizing digital photos. Allows you to organize, edit, tag and share photographs.

Platform: Linux, Windows, MacOS X
LICENSE: Open Source
PRICE: Free

http://rawstudio.org/

Program to read and manipulate RAW images from most digital cameras.

Comparison of readers and raw converters for linux

Platform: Linux
License: GPL
PRICE: Free

http://mypaint.intilinux.com/

MyPa is an application for digital painting. It supports pressure sensitive graphic tablets. Has many options for the creation and configuration brushes. The canvas is unlimited, so do not change size. It has basic support for layers.

Platforms: Windows, Linux
License: GPL
PRICE: Free

http://www.rawtherapee.com/

RawTherapee is a program to open and edit raws.

Comparison of readers and raw converters for linux

License: GNU / GPL
Linux, Windows
PRICE: Free

http://cvtool.sourceforge.net/cvltonemap.html

CVL is a library for image processing and data using graphics processing units (GPUs). Is available as a basis for a series of applications:

• CVtool is a command line application to use all the features of CVL available as filters. Integrates well with other tools such as Netpbm and pfstools .
• CVLview a data viewer on arbitrary files estojades PFS .
• CVLTonemap mapping is a tool to work with high dynamic range images (HDR).

License: GNU / GPL
Platform: Linux and Windows. Requires GLEWS bookstore, and if you work with graphical interface, the Qt toolkit. It requires a graphics card with support for Shader Model 2.1 and OpenGL 3 and GLSL 1.2. In June 2008, which means that graphics cards will only work with NVIDIA GeForce 6XXX and higher. The graphics card must have at least 256MB of memory.
PRICE: Free

http://pfstools.sourceforge.net/

Pfstools is a set of command line program to read, write and manipulate images in high dynamic range (HDR). Unlike Qtpfsgui has no graphical user interface, but allows more functions.

LICENSE: GNU / GPL
Platform: Linux, Mac OS X, Cygwin / Windows (given in order of increasing configuration issues or compilation)
PRICE: Free

qtpfsgui.sourceforge.net

HDR luminance, formerly called Qtpfsgui is an application-with-GUI to create images of high dynamic range (HDR). The goal is to create an image file from the same scene taken with different exposure settings to achieve the best illumination for every part of the picture.

Hdr formats supported: EXR, HDR, TIFF, RAW, pfs
Other formats: JPEG, PNG, PPM, PBM, TIFF

License: GNU / GPL
Platform: Linux, Mac OS X, Windows
PRICE: Free

http://diybookscanner.org/

Free hardware project to build a scanner for books, maps and directions online. The software for processing images has also been developed with free license.

http://lapin-bleu.net/software/textorizer/

Program to implement a text to an image, and the Self-complete with that text.

It is not the same as Jave not working purely ASCII characters to create images with simple text files, but creates vector files (SVG) with text boxes that can be Rotadent, have color, etc.. You can also post images as PNG.

Platform: Multiplatform requires a recent version of Java installed
LICENSE: W3C software license
PRICE: Free

http://www3.elphel.com/

Photoelectron Elphel a U.S. company that produces digital cameras and components with open hardware and free software, licensed under the GNU. These are exciting possibilities offered by the customization of hardware open source hardware (like the free software) for assembling hardware parts, such as the 3D-stereo cameras and offers panoramic Elphel.

http://hugin.sourceforge.net/

Hugin is a program for composing panoramic views from the union of different images.

Platforms: Windows, Mac OS X and Linux.
LICENSE:
PRICE: Free

http://code.google.com/p/gps-gimp-paint-studio/downloads/list
http://ramonmirandavisualart.blogspot.com/2009/02/gps-v10.html

Gimp Paint Studio is a package of tools to add them to Gimp especially for drawing and painting. Relies on lots of different brushes, and also proposes a function of loading preajustaments. It was developed by the illustrator Spanish Ramón Miranda.

Platform: Multiplatform
Code License: Artistic License / GPL
CONTENT LICENSE: Creative Commons BY-SA 3.0
PRICE: Free

http://ufraw.sourceforge.net/

UFRaw is a program for reading and manipulating raw images from digital cameras. Can be used by itself or as a plug-in for Gimp. Supports color management based on Little CMS, allowing the user to apply ICC color profiles. For Nikon cameras have the advantage that can read the curves to the camera, but not so a Nikon, you can apply to the curves of your images to Nikon.

UFRaw addresses the current limitations of 8-bit is the Gimp, as it does in 16-bit manipulations.

Open RAW formats (CRW, CR2), Nikon (NEF), Pentax (PEF), Samsung (PEF), Sony (SR2, ARW), Fuji (RAF) and Adobe DNG.

License: Free
PRICE: Free
Platform: Linux, Windows (with Cygwin), Mac OS X (Mac or Darwin ports ports)

Comparison of readers and raw converters for linux

http://www.xaraxtreme.org/

Xara is a vector application "cross over", which can also handle pixels. After working for 15 years as a private software for Windows, is strategically migrating towards open source software. It has probably influenced the fact that Adobe Macromedia has achieved, consolidating itself as a monopoly in the competition.

The community of software developers are contacting with the Inkscape community to agree a common development in question formats, and to develop a converter to sharia. Svg.

Platform: Linux, Windows, Mac OS X
License: GPL

http://al.chemy.org/

Alchemy is a program that seeks alternative ways to draw by computer. Unlike other drawing programs, Alchemy has not been designed to create a finished work, but is focused on experimental interaction for sketching and get new ideas. Experimental interaction in this case means things like use your voice to control how lines are being drawn up, shadows generate random draw or symmetrically.

You can use Alchemy to draw for fun and experimentation, and to create sketches trying new methods and techniques of drawing.

Alchemy careix expressly tools such as undo, selecting, editing, design ... It's part of the program, which has more claim to create original and strange ways that well finished and perfected.

Agree and advises tablet to draw.

Allows export to PDF.

Platform: Mac OS X, Linux, Windows.
License: Free
PRICE: Free.

http://registry.gimp.org/node/18398

Gimp plugin that adds features to animation. It also allows export video.

Platforms: Windows, Linux
License: GPL
PRICE: Free

http://seashore.sourceforge.net/

Seashore is an open source image editor for Mac OS X.

It is far more limited than the Gimp, is aimed at professional users.

Platforms: Mac OS X

http://www.tuxpaint.org/

Tuxpaint is a program, bitmaps designed for children 3 to 12 years. It has a very intuitive interface, with icons, spoken messages, sound effects ...

http://opensword.org/pixen/

Piss program is open source bitmap editing, designed to draw with pixel-art, anti-aliasing without working with indexed palettes. It also allows to make animations.

License: GPL
Operating system: Mac OS X

http://www.koffice.org/krita/

Krita is a free image editing bit map included in the koffice package. As an advantage over the Gimp has native support for CMYK color and L * a * b, and 16-bit depth images.

OPERATING SYSTEMS: Linux, Windows, Mac OS x
License: Free
PRICE: Free