|Fernando over at Blood Sun Rising created a Dice Roller a while ago as a Wiki Potion for his site. I helped him a bit and he supplied me with the source code. I recently cleaned it up a bit and today I have added it as a tool on this site.
The Dice Roller doesn't require you to be logged in to use it. It will also generate a direct link to the result page which you can use in your roleplay forums/chats etc. Please enjoy using the Dice Roller.
It will be available for download at a later time, it requires a new release of the dalines.org.engine first.