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.

Machine formatsJSONMarkdownGraphQLor send Accept: application/json
Bun74
Composer/Packagist63
Score
Vioscale score
Bun74 / 100medium · 70%
Composer/Packagist63 / 100medium · 51%
Pricing
Free tier
Bun
Composer/Packagist
Model
Composer/Packagistfree
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/Packagist29,504
Package downloads weekly
Composer/Packagist
Activity
Commits last 30d
Bun100
Composer/Packagist14
Release
Cadence days
Bun14
Composer/Packagist6
History
Composer/Packagist20 items
License
Spdx
BunMIT
Composer/PackagistMIT
Language
Primary
BunRust
Composer/PackagistPHP

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
Bun-
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

Bun is a JavaScript runtime and development toolkit designed as a fast alternative to Node.js with built-in package management, testing, and bundling capabilities. It can be adopted incrementally into existing Node.js projects or used as a complete replacement for development tooling.

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
FreeFree tier
as of verify ↗

Composer/Packagist

FreeFree tier

Public registry is free. Private Packagist subscription plans available for commercial use.

as of verify ↗

Platform & deployment

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

Platforms
Web
Bun
Composer/Packagist
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

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