Passphrase Generator
Ever since XKCD came out with the correct horse battery staple
I've moved to using passphrases everywhere.
Now that I've got kids I use them for homework assignments that I generate mere moments before they get off the bus. They need to practice reading, writing, and arithmatic.
Here's a passphrase generator using the "ten hundred" most popular words that Randall Munroe used in his Thing Explainer book.