Welcome to the best of business and productivity free software, and the documents to help you use them.
This site is actually derivative of other sites: There are free programs by the tens of thousands and I can't possibly review them all. There are sites that do this:
The Freeware Wiki
Snapfiles Freeware List
I list here programs that I have found useful over the years. Many I still use.
If you can't find what you are looking for here, by all means check out the fine sites above.