Krita

Krita is a creative application for raster images. Whether you want to create from scratch or work with existing images, Krita is for you. You can work with photos or scanned images, or start with a blank slate. Krita supports most
graphics tablets out of the box.

• Clean and flexible interface
• All the tools you need for design
• Simple and powerful 2D animation
• Many more features!

Blender

Blender is a full fledged 3D content creation suite. You can create 3D models and animate scenes. Blender also has its’ own game engine and is vastly expandable with addons.

• 3D Solids and character modeling
• Scene animation
• Physics and particle functions
• Shading
• Game engine (create a whole game using only Blender)
• Imaging and compositing
• Highly extensible

Inkscape

Inkscape is a superb vector graphics editor, with capabilities similar to Illustrator, CorelDraw, or Xara X, using the W3C standard Scalable Vector Graphics (SVG) file format.

GIMP

GIMP stands for Gnu Image Manipulation Program, and is a similar to Photoshop.

PikoPixel

PikoPixel is an easy-to-use application for drawing & editing pixel-art.

• Unlimited undo
• Supports multiple layers
• Customizable canvas background and grid patterns
• Hotkey-activated popup panels
• Export upscaled images
• Supports linear (gamma-correct) color blending