What are some alternatives?
When comparing SafeCyberSSL and PowerShell, you can also consider the following products
Let's Encrypt - Let’s Encrypt is a free, automated, and open certificate authority brought to you by the Internet Security Research Group (ISRG).
PuTTY - Popular free terminal application. Mostly used as an SSH client.
SSL2BUY - SSL2BUY is the foremost SSL certificate provider of online security solutions for businesses.
ConEmu - ConEmu-Maximus5 is a full-featured local terminal for Windows devs, admins and users. Get better console window with tabs, splits, Quake style, copy+paste, DosBox and PuTTY integration, and much more.
Cheap SSL Shop - Cheap SSL Shop is the cheapest SSL certificate provider.
Cygwin - Cygwin is a set of tools that provide Linux and POSIX functionality to Windows.