A simple measure of dependency freshness.
npx is available with npm v5.2.0 and above.
Browse a folder containing the package.json and use:
npx libyear-npm
npm install libyear-npm --save-dev
./node_modules/libyear-npm/bin/libyear-npm
history 2.1.2 2016-05-26 4.5.1 2017-01-09 0.6
numeral 1.5.6 2016-11-24 2.0.4 2016-12-21 0.1
pluralize 3.1.0 2016-12-12 4.0.0 2017-03-03 0.2
react-redux 4.4.6 2016-11-14 5.0.3 2017-02-23 0.3
react-router 2.8.1 2016-09-13 3.0.2 2017-01-18 0.3
rest 1.3.2 2016-03-23 2.0.0 2016-06-16 0.2
validator 6.3.0 2017-02-24 7.0.0 2017-02-24 0.0
System is 1.8 libyears behind