This is a BIG list of “top 300 Freeware software!” categorised in different heading. The links leads directly to the website of interest.
The list contains wide ranges of software like Office softwares, games and Wallpapers too. Too bad, they have not reviewed the software (or at least there is no description)
If you like to read comprehensive reviews on the software there is another site which has 46 freeware categories and they have reviewed each of the freeware. You can read, review and download software of your requirement and that too for free.