Tension Software (www.tensionsoftware.com) has upgraded Password Creator, which allows you to create on Mac up to 50K random unique passwords in a single click, to version 1.2.
Password Creator allows you to create a single password or a long list of passwords (up to 50000), inside an internal table, ready to be saved on disk in plain text format for reuse. Version 1.2 is compatible with OS X Mavericks.
Password Creator costs US$0.99. It’s available at the Mac App Store.