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.
Duo is a tool in the Build Automation category of a tech stack.
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What are some alternatives to Duo?
npm is the command-line interface to the npm ecosystem. It is battle-tested, surprisingly flexible, and used by hundreds of thousands of JavaScript developers every day.
Yarn caches every package it downloads so it never needs to again. It also parallelizes operations to maximize resource utilization so install times are faster than ever.
RequireJS loads plain JavaScript files as well as more defined modules. It is optimized for in-browser use, including in a Web Worker, but it can be used in other JavaScript environments, like Rhino and Node. It implements the Asynchronous Module API. Using a modular script loader like RequireJS will improve the speed and quality of your code.
Browserify lets you require('modules') in the browser by bundling up all of your dependencies.
Babel, StackStorm, AWS Verified Access are some of the popular tools that integrate with Duo. Here's a list of all 3 tools that integrate with Duo.