Open source Haskell logos.
Feel free to release and upload any Free or public domain haskell logos you create.
Fritz Ruehr's collection of classic Haskell logos
New logo contest
The winning logo is available in multiple formats, see ThompsonWheelerLogo.
Logo design tools
Alternative Haskell logos
3D logo for Haskell 98: logodesignworks.com
Simple logo (see also Image:Simple-haskell-logo.eps)
Used for Haskell in Leipzig iba-cg.de
Here is a logo concept I came up with for GHC. I'm not entirely sure I'm happy with it, but here it is anyway. Ask me if you want the SVG file -- Roconnor