I started putting together this list for something and then ended up not needing it. Figured I’d post it somewhere instead of throwing it out.
http://agilewebsolutions.com/products/1Password
http://www.edgerift.com/products/allsecure/
http://www.acrylicapps.com/wallet/
https://lastpass.com/
http://www.roboform.com/
http://www.sxipper.com/
http://keepass.info/
http://www.passpack.com/en/home/
The original idea was to post about how they could be used to fill out Wufoo forms so you could test your own out more quickly, but it turns out none of them work particularly well for that. Wufoo is specifically built to make it hard to do this, for spam reasons.