Deadmans Switch for Linux v2.1.1
github.com
github.com
Mcrypt is in the Arch repo:
On Alpine and Void I only see a library and not a binary program. I've also seen some sites say not to use mcrypt because it may be abandonware, but I have no idea how true that may or may not be.
[1] - https://www.shellhacks.com/encrypt-decrypt-file-password-ope...