https://filezilla-project.org
The info you would need is the host name, user name, password and port. Godaddy would have that info if you hosted with them.
https://www.spyfu.com
Screaming Frog SEO Spider - This is a fantastic tool that you can run on a website to see stuff like broken links and things like that. Just started playing around with it. This was the program I used to find my broken links.
http://www.screamingfrog.co.