What are some alternatives?
When comparing Ninite and Ketarin, you can also consider the following products
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.
Chocolatey - The sane way to manage software on Windows.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Patch My PC - Patch My PC Updater is a free, easy-to-use program that keeps over 300 apps up-to-date on your computer.
Just Install - just-install - The stupid package installer for Windows.
Beyond Compare - Beyond Compare allows you to compare files and folders.