Browserify vs Duo: What are the differences?
Developers describe Browserify as "Browser-side require() the node.js way". Browserify lets you require('modules') in the browser by bundling up all of your dependencies. On the other hand, Duo is detailed as "A next-generation package manager for the front end". Duo is a next-generation package manager that blends the best ideas from Component, Browserify and Go to make organizing and writing front-end code quick and painless.
Browserify and Duo can be categorized as "Front End Package Manager" tools.
Browserify and Duo are both open source tools. Browserify with 12.7K GitHub stars and 1.12K forks on GitHub appears to be more popular than Duo with 3.52K GitHub stars and 145 GitHub forks.