LaTeX-Preview
This is a little python app (using PythonQt) to try out LaTeX code in a quick and easy way. Enter LaTeX code in the upper text entry, press RETURN and the LaTeX output will appear in the bottom. To insert linebreaks in the text entry, press ENTER (on the numpad).
Screenshot:

Download:
Get it here.
Requirements:
- A LaTeX installation (see the script latex-preview-convert.sh if you want to tweak the latex settings).
- ImageMagick
- Python
- PythonQt (Qt 4.x)
No dice
What do you mean, no dice?
She means she has run out of dice, fool.
rofl :)