Mandelbulber The first 3D fractal rendering software I got and it's still my favorite. It has OpenCL so you can render pretty fast. All platforms

Mandelbulb3D Excellent 3D rendering fractal software with a good UI. Especially the navigator is a very handy tool. Windows only

Incendia Next Nice 3D fractals based on 3d meshes. Can take some time to render. Site has more fractal software. Windows only

ChaosPro Very diverse fast fractal rendering software. Really shines when you start to experiment with it. Windows only

Xaos Great zoom in 2D fractal software. Superb for the beginner. Features lots of fractals and filters. All platforms

FractalNow Intuitive fast 2D fractal generator containing a lot of formulas and filters. All platforms

Fraqtive Older fractal generator which is really fast but has limited possibilities. Great to make textures with. All platforms

JWildfire State of the art flame fractal generator. This is new generation must have software. All platforms

Qosmic Recursive flame only fractal editor with many possibilities. All platforms

GIMP Essential image editing software. The newest version has a highly improved fractal generator All platforms

Inkscape Incredible versatile design tool. Absolute must have when creating a website All platforms

Krita Designed as a digital drawing tool but can be used in many other ways. Having a drawing tablet is highly recommended. All platforms

JWildfire Swan Flame fractal software that renders on the GPU. Ideal for high quality animations All platforms

Fractal Music Generator Software that renders audio from visual fractals. It exports to midi files. All platforms

Bluefish Powerfull code editor to create applications and websites. The code for these pages is written with it. All platforms