FileZilla - FileZilla is an FTP, or file transfer protocol, client. It lets individuals transfer single files or batches to a web server. For many years, FTP was the standard for website design. Read more about FileZilla.
Beyond Compare - Beyond Compare allows you to compare files and folders.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
WinMerge - WinMerge is an open source differencing and merging tool for Windows.
Ninite - Ninite is the easiest way to install software.
Meld - What is Meld? Meld is a visual diff and merge tool targeted at developers.