What are some alternatives?
When comparing Patch My PC and Ketarin, you can also consider the following products
Ninite - Ninite is the easiest way to install software.
Chocolatey - The sane way to manage software on Windows.
Sumo - Free tools to grow your email list.
Just Install - just-install - The stupid package installer for Windows.
Zero Install - Zero Install is a decentralised cross-distribution software installation system.
scoop - Automated carpooling for the modern commuter