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A consistent environment for tracking and installing gems and versions

What is Bundler?

It provides a consistent environment for Ruby projects by tracking and installing the exact gems and versions that are needed. It is an exit from dependency hell, and ensures that the gems you need are present in development, staging, and production.
Bundler is a tool in the Front End Package Manager category of a tech stack.

Who uses Bundler?

10 companies reportedly use Bundler in their tech stacks, including Chicisimo, eazel, and Clippings.

35 developers on StackShare have stated that they use Bundler.

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Why developers like Bundler?

Here’s a list of reasons why companies and developers use Bundler
Top Reasons
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Bundler Alternatives & Comparisons

What are some alternatives to Bundler?
Metro Bundler
🚅 Fast: We aim for sub-second reload cycles, fast startup and quick bundling speeds. ⚖️ Scalable: Works with thousands of modules in a single application. ⚛️ Integrated: Supports every React Native project out of the box.
Conduit is a lightweight open source service mesh designed for performance, power, and ease of use when running applications on Kubernetes. Conduit is incredibly fast, lightweight, fundamentally secure, and easy to get started with.
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.
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.
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.
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Bundler's Followers
28 developers follow Bundler to keep up with related blogs and decisions.
Timo Bechtel
seva rybakov
Erlend Finvåg
Wu Xiang
Teemu Tammela
Miguel Ferrando