gThumb is an image viewer and photo manager for GNOME. It comes with options to edit photos, transfer photos from digital cameras and upload photos to popular websites such as Facebook, PicasaWeb, Photobucket, Flickr and more.
G'MIC (GREYC's Magic Image Converter) is a tool that comes with a lot (more then 190) of pre-defined image filters and effects for GIMP and is available for Window, Linux and Mac OSX.
Pinta is a simplified image editor based on Paint.NET (and thus it uses Mono), designed to serve as an alternative to GIMP for casual users.
2.6.x is the stable GIMP branch in which there will be no new features, only bug fixes. The latest version of this stable GIMP branch is 2.6.11 which has been released yesterday
I was recently browsing through various Linux news sites and bumped into this article, a taste of a comic done in Krita, the KDE painting and image editor application, which is part of the KOffice suite.
The GIMP versions 2.6.9 and 2.6.10 were released a few days ago.
For those who don't know gimp-plugin-registry yet, it is a collection of scripts and plugins for The GIMP. The name is based on the webpage GIMP Plugin Registry, where most (new) plugins and scripts are listed. So far the package ships with 170 scripts/plugins.
GIMP Plugin Registry is a package with a lot of useful extensions for GIMP Image Editor.
If yesterday we wrote about installing Paint.NET under Ubuntu Karmic, today we will talk about Pinta, a modified Paint.NET for Linux (drawing / editing tool) but which also works on Windows and Mac OS X.
Inkscape, a SVG-based vector graphics editor for Windows, Linux and Mac OS X has finally reached version 0.47.
HeliosPaint is a complete program of drawing and image editing with a wide palette of tools to unleash your creativity. You can use it to create icons, edit photos and so on. Being a Java application, it is cross-platform, working on Windows, Linux and Mac OSX.
RPhoto is an open-source image viewer and editor for Windows and Linux. Its origin resides in the lack of a simple software capable of cropping photos with a constant ratio, to avoid white borders when printing.
Paint.NET is one of the best image editing applications for Windows and it has a version for Linux too, called Paint.Mono (or Mono Paint). According to Miguel de Icaza, most of the features in Paint.NET have been ported over to Paint-Mono, with more to come.
Inkscape is an Open Source vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format.
The single-window mode has finally been confirmed for Gimp 2.8. Peter Sikking, interface and interaction artist for the GIMP makes this very clear in a recent blog entry.
Xara Xtreme for Linux (formerly known as Xaralx) is an open source image editor based on the Windows Xara LX (which is also an image editor, obviously).