dlcalc 
Calculate DL time in the commandline
Install
$ npm install -g dlcalc
What does it do?
Allows you to calculate a rough estimate of download time, in your commandline.
Usage
dlcalcCompatibility
Should run on most systems, Windows, macOS, unix, etc etc.
Changelog
See CHANGELOG.md for the changes happening.
License
MIT © William Blythe