I thought it would be nice if we had a thread in which we can mention free software that others might not be aware of: Sumatra PDF viewer by Krzysztof KowalczykThis is a very small and fast PDF reader. It does not have any advanced features but most of don't use the advanced features of a document viewer. Notepad++ | Current version : v5.6.8 A very good source code editor. foobar2000 This is an audio player with a very small memory footprint. It is almost completely customizable and you can download several plugins to extend its functionality. However, I do not recommend it if you're not willing to customize it. WordWeb: Free English thesaurus dictionary download This is my favourite dictionary. It's small and you can look up a selected word with a hotkey. Copy your files faster with TeraCopy Teracopy actually improves transfer rates when you're dealing with large amounts of data and allows you to pause and continue file transfers. When transfers fail, it tells you which transfers have failed and allows you to decide the next course of action. This is a must have software for anybody. 7-Zip A software that handles multiple compression formats. SMPlayer - General Info SMPlayer is the Windows port for the popular Linux movie player called MPlayer. I can't say that it's better than other movie players but it's my favourite. I suggest you check it out and see if you like it.