Pixel Tools - Blog Posts

Free Pixel Art Tools:

Piskel [Windows/Mac + Browser]

Pixel Art Editor [Browser] -with collaborative editing mode-

Aseprite 0.95 [Windows/Mac/Linux]

Grafx2 [Windows/Mac/Linux]

Paint.NET [Windows]

GIMP [Windows/Mac/Linux] 

Paint [Windows]

Pixly [Android]

Commercial Pixel Art Tools:

Photoshop [Windows/Mac]

Pro Motion [Windows]

Pyxel Edit [Windows/Mac]

Aseprite [Windows/Mac]

GraphicsGale [Windows]

Pixaki [iPad]

Sprite Something [iPhone/iPad]

Sprite Lamp [Windows/Mac/Linux]

Pixel Art Tutorials:

Collection of Pixel Art Tutorials

Other related Tools:

Voxel Art Tools:

Qubicle [Windows/Mac] -Commercial-

MagicaVoxel [Windows/Mac] -Free-

Hexel Tools:

Hexels [Windows/Mac] -Commercial-

GIF Creation Tools and Tutorials:

Ways to create animated GIFs

Game Making Tools:

The Big List of Game Making Tools

Piskel - free tool to create pixel art and animated sprites

(additional pixel art tools and tutorials can be found on pixelartus)