From FreeGameDevWiki
Free/open source software for creating and/or editing two-dimensional images.
2D image editing programs and tools
Bitmap image editing software
| Application name/link
| Specialization/details
| License
|
| GIMP
| Photo manipulation
| GPL
|
| JDraw
| Pixel art
| GPL
|
| Krita
| Part of KOffice
| GPL
|
| mtPaint
| Pixel art
| GPL
|
| GrafX2
| Pixel art
| GPL
|
| Tile Studio
| Tile-based pixel art
| MPL
|
| Alchemy
| Specialized program for alternative drawing methods
| GPL
|
| MyPaint
| Program specialized for drawing/painting
| GPL/LGPL
|
| ASE (Allegro Sprite Editor)
| Program to create animated sprites
| GPL
|
Vector image editing software
| Application name/link
| Specialization/details
| License
|
| Draw
| Part of OpenOffice.org
| LGPL
|
| Inkscape
| Vector drawing application
| GPL
|
| Karbon14
| Part of KOffice
| LGPL
|
| sK1
|
| GPL
|
| Skencil
|
| GPL
|
| Synfig
| Vector based animation
| GPL
|
| XaraXtreme
| Linux vector drawing application
| GPL
|
| Pencil
| Program specialized for bitmap and vector animation/drawing
| GPL
|
Tools and the like
| Application name/link
| Specialization/details
| License
|
| FxGen
| Texture and effects generation, vector export
| GPL/LGPL
|
| Phatch
| Photo batch processor and EXIF renamer
| GPL
|
Bitmap to vector image tracers
- AutoTrace
- Aimed at being similar to CorelTrace or Adobe Streamline, GPL
- LineTracer
- For sketches and line art, with GUI, win-only, MPL 1.1.
- Potrace
- General tracing app, integrated in Inkscape, GPLv2+.
Plug-ins and scripts
GIMP
- Liquid Rescale
- Content-aware (liquid) rescaling
- Make Seamless Texture and Synthesize Texture
- Improved "make seamless" functionality
- Normalmap
- Converts images into RGB normal maps.
- Resynthesizer
- Creates more of a texture
- Texturize
- Texture generation from small sample images, texture tiling
