Album
- An easy-to-use HTML photo album generator that supports themes.
Browsers with PNG Support
- A handy list of standard 2-D browsers that support PNG; each entry includes links to the homepage or the download section and operating system or platform.
Cairo: A Vector Graphics Library
- A 2D graphics library with support for multiple output devices. Latest stable release is 1.8.10, 2010-02-19.
Dia - a Drawing Program
- A gtk+- based diagram creation program for GNOME. Latest stable release is 0.97, 2009-05-03.
Enblend
- A command-line tool that blends away the seams in a panoramic image mosaic using a multi-resolution spline.
Endlos
- A platform independent, multi-threaded fractal generator.
FlamingText
- A tool for creating free (as in beer only) custom images (buttons, banners, fonts, and ClipArt) for websites and email.
FreeMind - Free Mind Mapping Software
- A cross-platform application that helps the user organize, link, and integrate thoughts with special features including one-click "fold / unfold" and "follow link" operations.
GFXIndex
- A small, configurable program that generates indices of pictures by creating thumbnails (mini versions of the pictures) and a set of HTML files. Latest release is 2.0, 2004-07-23.
GMT - The Generic Mapping Tools
- An open source collection of ~60 tools for manipulating geographic and Cartesian data sets (including filtering, trend fitting, gridding, projecting, etc.) and producing Encapsulated PostScript File (EPS) illustrations ranging from simple x-y plots via contour maps to artificially illuminated surfaces and 3-D perspective views. Latest release is 4.4.0, 2009-02-15.
Gifsicle: Animated GIFs for UNIX
- A UNIX command-line tool for creating, editing, and getting information about GIF images and animations. Latest release is 1.48, 2007-03-16.
Gnofract 4D
- An advanced fractal generation program for GNOME. Latest stable release is 3.11, 2009-03-15.
Graphviz
- Graph visualization software; this is a way of representing structural information as diagrams of abstract graphs and networks.
Hugin - Panorama Tools GUI
- Cross-platform software to view, create, edit and remap panoramic images. Multilingual support is excellent with 20+ languages available. Based on Panorama Tools. Latest stable release is 2010.2.0, 2010-10-10.
ImageMagick
- A free software suite to create, convert, edit, and compose bitmap images. Includes a section on command-line tools.
Inkscape - Draw Freely
- A scalable vector graphics editor. Excellent multilingual support (available in 8 languages). Latest stable release is 0.48.1, 2011-03-02.
Inkscape: Guide to a Vector Drawing Program - Online Book
- An Inkscape reference book, which documents Inkscape versions 0.46 and 0.47. Available online or in PDF format. Translated into French, Italian, and Spanish. (2009, 3rd edition).
Ivtools home page
- A suite of free X Windows drawing editors for PostScript, TeX, and web graphics production, as well as an embeddable and extendable vector graphic shell.
KPhotoAlbum
- A KDE image database; formerly called KimDaBa. The most current release series (4.x - 2009) is for KDE4. The KDE3 source code is no longer supported.
LibAfterImage Imaging Library.
- An image import, storage, manipulation and output library for X. Latest release is 1.18, 2008-06-24.
LinPHA -- The PHP Photo Archive
- A multilingual, flexible photo archive written in PHP. Latest stable release is 1.34, 2008-04-29.
Linux Arts
- An online Linux community website for art and theme lovers.
Linux Graphics Users Forum
- A forum created by artists for everyone in the Linux community who want to learn about graphics art and design using Linux.
LinuxArtist.org
- A Linux art and design resource site. Information on 2D, 3D, audio, video/animation, the Gimp, fonts, game development, hardware, and povray.
LittleCms
- A cross-platform colour management system.
MapTools.org
- A resource site for developers and users of open source mapping software; many mapping projects, organized by broad subject categories, are hosted on this site
Metapixel - A Photomosaic Generator
- A command-line program that generates both classical and collage-style photomosaics. Latest release is 1.0.2, 12-10-2006.
MyPaint
- A cross-platform, easy-to-use graphics application for digital painters. It lets the artist focus on the art instead of the program. There is detailed documentation as well as a wiki, forums, mailing list, and an IRC channel. Latest stable release is 0.9, 2010-11-02.
Open Clip Art Library
- A large archives of clip art for users of open source applications such as Inkscape.
OpenEXR
- High dynamic-range (HDR) image file format for use in computer imaging applications.
OpenStreetMap
- A collaborative project to create a free editable map of the world. The maps are created using data from portable GPS devices, aerial photography, and other free sources. Excellent multilingual support with 51 languages represented.
OutSide Photos
- A PHP-based image upload and management system, with thumbnail generation, slideshow mode and support for multiple users.
Phatch
- An easy-to-use cross-platform GUI photo batch processor which handles all popular image formats and (sub) folder hierarchies. It has features such as resize, rotate, rename, shadows, watermarks, rounded corners, masks, and perspective.
PhotoRec
- A cross-platform data recovery software tool designed to recover lost files from digital camera memory, hard disks and CDs/DVDs. This is a companion tool to TestDisk, a cross-platform data recovery utility. Also available in Chinese, French, German, Italian, and Spanish. Latest stable release is 6.11.3, 2009-05-06
Pixelpost
- A photoblogging application which comes with additional functionality via addons, so you can turn this software into a photo publishing platform.
RawTherapee
- This is a stunning raw image processing application aimed at the more advanced user. Excellent multilingual support - available in 30+ languages. As of 2010-01 the developer switched the license from proprietary to GPLV3. Latest stable release is 2.4.1, 2009-09-03.
Shotwell
- Shotwell is an open source photo organizer designed for the GNOME desktop environment. It has a clean interface and easy-to-use tools. Latest stable release is 0.8.0, 2010-11-17.
Tgif - Drawing Tool
- An Xlib-based, interactive 2-D drawing tool under X11 on Linux and most UNIX platforms.
The JChemPaint Homepage
- An editor for 2D molecular structures. Translated into Dutch, French, German, Portuguese (Brazil), and Spanish. Latest stable release is 2.4.0, 2008-10-14
The flPhoto Homepage
- A basic image management and display program based on the FLTK toolkit.
The gif2png home page
- Software to convert files from the Graphic Interchange Format (GIF) to the Portable Network Graphics (PNG).
The kalbum Homepage
- A KDE3 tool for creating albums from a collection of images with an easy-to-use thumbnail interface.
The sK1 Project
- An open source vector graphics editor for Linux. This is a fork of Skencil, which is no longer being developed. Other deriviative projects include: UniConvertor, a universal vector graphics translator; CDR Explorer, a research tool for CorelDraw file formats; and WMF format parser (pymfvu). Latest stable release is 0.9.0, 2009-05-09.
Themes/Freshmeat
- A master list of all themes-related projects on Freshmeat.net. Each entry provides details of the project, license information, and a link to the home page.
Tulip Software
- A framework to create, visualize, manipulate, and export large graphs. It enables 3D visualizations, 3D modifications, plugin support, support for clusters and navigation, and automatic graph drawing.
Tux Paint
- Computer art software for children ages 3 to 12.
UFRaw (Unidentified Flying Raw)
- A utility to read and manipulate raw images from digital cameras. It can be used on its own or as a Gimp plug-in.
VYM (View Your Mind)
- VYM is a tool to generate and manipulate mind maps, which can help to improve creativity and efficiency. This application can be used for time management, project management, organizing tasks, and obtaining overviews of complex ideas. Also available in German. Latest release is 1.12.7, 2010-03-19.
XFIG, FIG and Associated Software
- A vector drawing format which can be used with programs such as xfig to produce simple figures for documents.
XFig User Manual
- A documentation guide for XFig. Latest version is 3.2.5, 2007-03-31. Also available in Japanese.
XITE (X- Based Image Processing Tools and Environment)
- XITE consists of display programs with image widget and graphical user interface as well as more than 200 command line programs and 600 subroutines, all documented on-line.