Rollupvs
Vite
Vite: Built on Rollup, and the usual choice for applications rather than libraries
Rollup
JavaScript module bundler built for libraries
As of 29 August 2026, Rollup is free to use. The bundler libraries are built with. Softwr lists it under Web Development. Rollup is available on Linux, macOS, Windows.
Overview
What Rollup does
Rollup is a JavaScript module bundler that compiles small pieces of code into larger bundles. It made its name on tree shaking — eliminating unused exports — and on producing notably clean, readable output, which is why it became the default choice for publishing libraries rather than applications. The division of labour has held: applications tend to use Vite or webpack, libraries tend to use Rollup. Vite itself uses Rollup for production builds, so a great deal of code passes through it indirectly.
What people use it for
- Publishing a JavaScript library in several module formats
- Builds where output size and cleanliness matter more than build speed
- Producing ES module output for consumers who will bundle it themselves
Related searches
The honest half
Where it falls short
Concrete and checkable, so you can decide whether any of them matter to you. This is the half of a review a vendor will not write about Rollup.
- Slower than the Go and Rust bundlers that followed it, since it is written in JavaScript
- Application concerns like dev servers and hot reloading are not its job, so app builds need Vite on top
- Configuration for non-trivial applications gets verbose compared with tools that assume more
Cross-shopped
What people choose instead of Rollup
Each pairing was judged by two reviewers asking whether a buyer would genuinely weigh the two against each other. The ones that failed were deleted rather than published.
- Rollupvsesbuild
esbuild: Far faster, at the cost of a narrower plugin API and less refined output
Pricing
What Rollup costs
Taken from the vendor's own pricing page. Prices move, so check before you buy.
Rollup
Free
- Full functionality
- Commercial use permitted
- Community support
Capabilities
Features
Tree shaking
Eliminates unused exports, producing genuinely minimal bundles
Clean output
Generated code stays readable, which matters for published packages
Multiple output formats
ESM, CommonJS, UMD and IIFE from one build
Plugin API
A well-established plugin ecosystem shared with Vite
Answered, with sources
Questions people ask
Each answer names the page it came from, so you can check it rather than take our word for it.
Is Rollup free?
Yes, open source under the MIT licence.
Rollup or webpack?
Rollup is the usual choice for libraries thanks to cleaner output and better tree shaking. webpack remains stronger for complex applications with heavy asset handling.
Do I need Rollup if I use Vite?
Not directly. Vite uses Rollup for production builds, so you already benefit from it.
Keep looking
Where to go from Rollup
- Rollup alternativesEvery product people weigh against it
- Rollup pricingPlans, floors and what the tiers exclude
- Rollup badgesWhich rules it meets, and the figure behind each
- All Web Development softwareThe full category
- Best Web Development softwareThe shortlist, and how it was cut
Best Web Development software for
Compare Rollup with
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- Turbopack
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- MUI
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- Lit
- NestJS
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- PHP
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- Ruby on Rails
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Softwr does not host reviews and shows no star rating for Rollup, because a rating we did not collect is not ours to publish. What is here is the pricing and platform detail from the vendor’s own pages, limitations we could state concretely, and alternatives a reviewer confirmed people weigh against it. Tell us if any of it is wrong.
More on Rollup
Rollup alternatives
What people switch to, and what they give up
Rollup pricing
Every tier, and where the cost actually lands
Compare Rollup
Put it head to head with anything we hold
Rollup badge
Its rating, and an embed for your own site
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