Open Source Quotes DataBase: This is a site written in PHP/MySQL which is very similar in style to the bash.org QDB, for people who would like to run their own quote sites. The a testbed is avalible on http://www.osqdb.co.uk
Very buggy, written poorly... most likely to have some security bugs. So far the decent QDB system I've found is iBash (www.iBash.org)
It is definitely in the top 10 of worst coding I have ever seen. It does it's job... with bugs, but the coding is just horrid.