Secure Dice. Brandon Blackmoor Free (GPL) (source, 2012-11-17) RPG Library Secure Dice is a free online dice roller which will generate random numbers, generate a MD5 checksum of the results, and email those results to the email address(es) you specify.
Please whitelist or subscribe webmaster@rpglibrary.org to ensure delivery of your dice rolls. Note: It looks like there's a problem with the e-mail gateway that process messages sent from the web servers. At the moment there's a backlog of messages on the server which is why messages are being delayed.
City Generator. Main Page - MapToolDoc. Grid Paper PDFs. Free Online Graph Paper / Grid Paper PDFs Downloadable and very printable, I find these PDFs extremely useful.
Tip number one!