Keysmith and Keyboard Maestro are both great tools to create custom keyboard shortcuts for your Mac. We often get asked to compare Keysmith and Keyboard Maestro since, on the surface, they seem to be pretty similar tools.
HTML LaTeX equation editor that creates graphical equations (gif, png, swf, pdf, emf). Produces code for directly embedding equations into HTML websites, forums or blogs. Images may also be dragged into other applications like Word. Open source and XHTML compliant.