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Bower

6.4K
4.5K
+ 1
927
Duo

21
43
+ 1
1
npm

125.3K
81.3K
+ 1
1.6K
Manage your open source components, licenses, and vulnerabilities
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Pros of Bower
Pros of Duo
Pros of npm
  • 483
    Package management
  • 214
    Open source
  • 142
    Simple
  • 53
    Great for for project dependencies injection
  • 27
    Web components with Meteor
  • 8
    Portable dependencies Management
  • 1
    Lean and efficient
  • 648
    Best package management system for javascript
  • 382
    Open-source
  • 327
    Great community
  • 148
    More packages than rubygems, pypi, or packagist
  • 112
    Nice people matter
  • 6
    As fast as yarn but really free of facebook
  • 6
    Audit feature
  • 4
    Good following
  • 1
    Super fast
  • 1
    Stability

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Cons of Bower
Cons of Duo
Cons of npm
  • 2
    Deprecated
  • 1
    Front end only
    Be the first to leave a con
    • 5
      Problems with lockfiles
    • 5
      Bad at package versioning and being deterministic
    • 3
      Node-gyp takes forever
    • 1
      Super slow

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    What is Bower?

    Bower is a package manager for the web. It offers a generic, unopinionated solution to the problem of front-end package management, while exposing the package dependency model via an API that can be consumed by a more opinionated build stack. There are no system wide dependencies, no dependencies are shared between different apps, and the dependency tree is flat.

    What is Duo?

    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.

    What is npm?

    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.

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    JavaScriptGitHubPython+42
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    What are some alternatives to Bower, Duo, and npm?
    Yarn
    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.
    Webpack
    A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows to load parts for the application on demand. Through "loaders" modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
    gulp
    Build system automating tasks: minification and copying of all JavaScript files, static images. More capable of watching files to automatically rerun the task when a file changes.
    NuGet
    A free and open-source package manager designed for the Microsoft development platform. It is also distributed as a Visual Studio extension.
    Composer
    It is a tool for dependency management in PHP. It allows you to declare the libraries your project depends on and it will manage (install/update) them for you.
    See all alternatives