Advanced bitmap based image editor that has many capabilities similar to commercial software. It can be used as a simple paint program, an expert quality photo retouching program, an online batch processing system, a mass production image renderer, an image format converter, etc. Advanced vector image editor with an advanced editing toolset. Inkscape has capabilities similar to commercial software such as Adobe Illustrator, CorelDraw, or Xara X. Inkscape leverages the W3C standard Scalable Vector Graphics (SVG) file format. Inkscape supports many advanced SVG features (markers, clones, alpha blending, etc.) and great care is taken in designing a streamlined interface. It is very easy to edit nodes, perform complex path operations, trace bitmaps and much more. Krita is a free digital painting and illustration application. Krita offers CMYK support, HDR painting, perspective grids, dockers, filters, painting assistants, and many other features you would expect. BFXR is an improved AS3 port of SFXR with more features. It has moved in the direction of increased complexity and range of expression. Tiled is a general purpose tile map editor. It is meant to be used for editing maps of any tile-based game, be it an RPG, a platformer or a Breakout clone. This demo shows how to load a tiled map. Ogmo Editor is a generic level editor for indie game developers who use Windows. It also happens to be free and open source. The editor is built to be reconfigurable, so you can set it up to work well for your game project. This HaxeFlixel tutorial shows how to create levels with Ogmo. ShoeBox is a free Adobe Air based app for Windows and Mac OSX with game and ui related tools. It has many utilities that make asset management easier, such as sprite packing, sprite extraction, texture ripping, bitmap font creation, and more. Texture Packer does one thing very well, pack several sprites into one image to reduce the number of image assets your game has to load (which helps reduce load times). It's easy to use and easy to integrate with HaxeFlixel. This demo shows how to use a TexturePackerAtlas. Source.