http://www.digikam.org/

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

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

PLATFORMS: Linux
LICENSE: GPL
PRICE: Free

http://mypaint.intilinux.com/

MyPaint is an application for digital painting. It supports pressure sensitive graphics tablets. Has many options for the creation and configuration of brushes. The canvas is unlimited, so it is not resized. 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 (GPU). Is available as a basis for a number of applications:

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

LICENSE: GNU / GPL
PLATFORM: GNU / Linux and Windows. Requires library Glew, and if you work with graphical interface the Qt toolkit. Requires graphics card with support for Shader Model 3 and OpenGL 2.1 and GLSL 1.2. In June 2008, this means that only work with video cards NVIDIA GeForce 6xxx and above. The graphics card must have at least 256 MB of memory.
PRICE: Free

http://pfstools.sourceforge.net/

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

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

qtpfsgui.sourceforge.net

Luminance HDR, which was previously called Qtpfsgui is an application-to-GUI to create images with high dynamic range (HDR). The aim is to create a file from images of the same scene taken with different exposure settings to achieve the best lighting for each part of the picture.

Supported hdr formats: EXR, HDR, tiff, raw, PFS
Other formats: jpeg, png, ppm, pbm, tiff

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

http://diybookscanner.org/

Free hardware project to build a book scanner, with instructions and plans 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 then tracing it with full text.

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

Platform: Multi-platform, requires a recent version of Java installed
LICENSE: W3C software license
PRICE: Free

http://www3.elphel.com/

Elphel photoelectron is a U.S. company that is engaged in the production of components and digital cameras with open hardware and free software, licensed under GNU. Are exciting possibilities offered by the hardware personalization of open hardware (like free software) assembling pieces of hardware, such as 3D-camera panoramic stereo and offered Elphel.

http://hugin.sourceforge.net/

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

PLATFORMS: Windows, Mac OS X, 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 suite of tools to add it to Gimp especially to draw and paint. It has lots of different brushes, and also proposes a function of loading preajustaments. It was developed by the Spanish illustrator 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 to read and manipulate 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 it can read the curves to the camera, but not so a Nikon, you can apply to the curves of your images Nikon.

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

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

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

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 software suite for Windows, is strategically migrating to free software. Probably influenced by the fact that Adobe Macromedia has achieved, establishing itself as a monopoly in the competition.

Community developers of this program is by contacting the Inkscape community to agree on a common development in question formats, and to develop a converter to sharia. Svg.

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 been designed to create a finished work, but it is focused on experimental interaction for sketching and come up with new ideas. Experimental interaction in this case means things like using your voice to control how the lines are drawn, generate random shadows, draw or symmetrically.

Alchemy can be used to draw for fun and experimentation, and testing new ways to create sketches and drawing techniques.

Alchemy careix expressly tools like undo, selecting, editing ... It is part of the design program, which has the aim of creating more strange and original ways that well finished and perfected.

Accept advice and tablet to draw.

To export as PDF.

Platform: Mac OS X, Linux, Windows.
LICENSE: GNU
PRICE: Free.

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

Gimp plugin that adds features for animation. It also allows you to 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.

Platform: Mac OS X

http://www.tuxpaint.org/

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

http://opensword.org/pixen/

Mean program is open source bitmap editing, designed to draw pixel-art, anti-aliasing not working with indexed palettes. Allows also make animations.

LICENSE: GPL
Operating system: Mac OS X

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

Krita is a free image editing bit map included within the KOffice package. As an advantage over the Gimp has native support for CMYK color and L * a * b, and images with depth of 16 bits.

Operating Systems: Linux, Windows, Mac OS X
LICENSE: GNU
PRICE: Free