Comparison

Bun vs Composer/Packagist

On the evidence we track, Bun leads this comparison with a composite score of 74/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

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★Bun74
Composer/Packagist63
Score
vioscaleAI score
Bun74 / 100medium · 56%
Composer/Packagist63 / 100medium · 50%
Pricing
Free tier
Bun✓
Composer/Packagist✓
Model
Composer/Packagistopen_source
Price level
Bunfree
Composer/Packagistfree
Transparent
Bun–
Composer/Packagist✓
Integrations
Count
Bun–
Composer/Packagist4
Reliability
Status page
Bun–
Composer/Packagist✓
Adoption
Dependent repos
Composer/Packagist35,414
Github stars
Composer/Packagist29,550
Package downloads weekly
Composer/Packagist–
Activity
Commits last 30d
Bun100
Composer/Packagist51
Release
Cadence days
Bun14
Composer/Packagist6
History
Composer/Packagist20 items
License
Spdx
BunMIT
Composer/PackagistMIT
Language
Primary
BunRust
Composer/PackagistPHP
Content
Faq
Composer/Packagist6 items

Capabilities

Feature-by-feature on the axes that matter for package registries. “-” means undocumented, not absent.

Core
Role
BunPackage manager client
Composer/PackagistPublic registry
Ecosystem
Ecosystem / language
BunJavaScript
Composer/PackagistPHP
Deployment
Deployment
BunCLI-local
Composer/PackagistBoth
Formats
Package formats supported
BunMany formats
Composer/PackagistSingle ecosystem
Hosting
Private / scoped packages
Bun✓
Composer/Packagist✓
Upstream proxy / caching
Bun✓
Composer/Packagist✓
Resolution
Lockfile / deterministic installs
Bun✓
Composer/Packagist✓
Workspaces / monorepo
Bun✓
Composer/Packagist✓
Content-addressable store
Bun✓
Composer/Packagist-
Supply chain
Supply-chain integrity
Bun✓
Composer/Packagist✓
Vulnerability / licence scanning
Bun✓
Composer/Packagist✓
Licensing
Openness
BunOpen-source
Composer/PackagistOpen-source
Pricing
Pricing model
BunFree / OSS
Composer/PackagistFree / OSS

What each one is

The product in its own terms, so the numbers below have context.

Bun

Leader

A JavaScript runtime that executes TypeScript natively using JavaScriptCore, bundling a package manager, bundler, and test runner with Node.js compatibility and npm ecosystem support.

Independently observed

Composer/Packagist

Composer is a PHP dependency management tool that uses a centralized package repository (Packagist.org) to discover and install project dependencies. It supports version control integration, security scanning, and both public and private package repositories.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Bun

Leader
Open sourceFree tier

Free and open source

as of verify ↗

Composer/Packagist

Open source
as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
macOS
Bun✓
Composer/Packagist✗
Windows
Bun✓
Composer/Packagist✗
Linux
Bun✓
Composer/Packagist✗
CLI
Bun✓
Composer/Packagist✓
Deployment
Cloud / SaaS
Bun✓
Composer/Packagist✓
Self-hosted
Bun✓
Composer/Packagist✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Bun

Leader

Not documented yet.

Composer/Packagist

4 total
  • GitHub
  • Git
  • Subversion
  • Mercurial
Independently observed
Still deciding?

Bun or Composer/Packagist: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.