Well that was a couple years ago and Wise was bought up along with some others.

I don't have a link to any other free ones, but I do have a copy of one of those older free ones if you like.

I bought this one for the Company use.
http://www.installaware.com/index.htm

I used my real old Wise version for the upgrade pricing.
InstallAware Studio Admin - Competitive Upgrade

Send me an e-mail or IM me and let me know.