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Top 6 JavaScript Bundler Projects
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webpack
A bundler for javascript and friends. Packs many modules into a few bundled assets. Code Splitting allows for loading parts of the application on demand. Through "loaders", modules can be CommonJs, AMD, ES6 modules, CSS, Images, JSON, Coffeescript, LESS, ... and your custom stuff.
17. Webpack
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CodeRabbit
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In 2025, mastering Vite for your React projects means leveraging powerful configurations, intelligent optimizations, and a robust plugin ecosystem. By understanding Vite’s modern architecture—native ES modules (ESM) during development and optimized Rollup bundling for production—you can significantly streamline your workflow, improve developer experience, and deliver fast, performant applications at scale.
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This definition is tailored to microbundle but the tldr is property names can have large impact on size .
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Speed Measure Plugin
⏱ See how fast (or not) your plugins and loaders are, so you can optimise your builds
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NOTE:
The open source projects on this list are ordered by number of github stars.
The number of mentions indicates repo mentiontions in the last 12 Months or
since we started tracking (Dec 2020).
JavaScript Bundlers discussion
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Discover the power of microfrontends: A revolution in frontend development
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Which JavaScript Bundler Is Right for You? A Deep Dive into Webpack, Vite, and More
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Optimizing React Development with Vite🤩.
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A note from our sponsor - SaaSHub
www.saashub.com | 22 Mar 2025
Index
What are some of the best open-source Bundler projects in JavaScript? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | webpack | 65,123 |
| 2 | Rollup | 25,644 |
| 3 | webpack-dashboard | 13,858 |
| 4 | Microbundle | 8,091 |
| 5 | Speed Measure Plugin | 2,431 |
| 6 | klap 👏 | 187 |
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