Comparison

Composer/Packagist vs crates.io/Cargo

On the evidence we track, Composer/Packagist leads this comparison with a composite score of 63/100. Scores are only directly comparable because these tools share a category; the full breakdown and every source is below.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
★Composer/Packagist63
crates.io/Cargo55
Score
vioscaleAI score
Composer/Packagist63 / 100medium · 50%
crates.io/Cargo55 / 100low · 35%
Pricing
Free tier
Composer/Packagist✓
crates.io/Cargo✓
Model
Composer/Packagistopen_source
crates.io/Cargoopen_source
Price level
Composer/Packagistfree
crates.io/Cargofree
Transparent
Composer/Packagist✓
crates.io/Cargo✓
Integrations
Count
Composer/Packagist4
crates.io/Cargo–
Reliability
Status page
Composer/Packagist✓
crates.io/Cargo✓
Adoption
Dependent repos
Composer/Packagist35,414
crates.io/Cargo9,209
Github stars
Composer/Packagist29,550
crates.io/Cargo15,582
Activity
Commits last 30d
Composer/Packagist51
crates.io/Cargo100
Release
Cadence days
Composer/Packagist6
crates.io/Cargo–
History
Composer/Packagist20 items
crates.io/Cargo–
License
Spdx
Composer/PackagistMIT
crates.io/CargoApache-2.0
Language
Primary
Composer/PackagistPHP
crates.io/CargoRust
Market
Availability
Composer/Packagist–
crates.io/CargoAvailable worldwide
Content
Faq
Composer/Packagist6 items
crates.io/Cargo5 items

Capabilities

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

Core
Role
Composer/PackagistPublic registry
crates.io/CargoPackage manager client
Ecosystem
Ecosystem / language
Composer/PackagistPHP
crates.io/CargoRust
Deployment
Deployment
Composer/PackagistBoth
crates.io/CargoCLI-local
Formats
Package formats supported
Composer/PackagistSingle ecosystem
crates.io/CargoSingle ecosystem
Hosting
Private / scoped packages
Composer/Packagist✓
crates.io/Cargo-
Upstream proxy / caching
Composer/Packagist✓
crates.io/Cargo-
Resolution
Lockfile / deterministic installs
Composer/Packagist✓
crates.io/Cargo✓
Workspaces / monorepo
Composer/Packagist✓
crates.io/Cargo-
Content-addressable store
Composer/Packagist-
crates.io/Cargo-
Supply chain
Supply-chain integrity
Composer/Packagist✓
crates.io/Cargo-
Vulnerability / licence scanning
Composer/Packagist✓
crates.io/Cargo-
Licensing
Openness
Composer/PackagistOpen-source
crates.io/CargoOpen-source
Pricing
Pricing model
Composer/PackagistFree / OSS
crates.io/CargoFree / OSS

What each one is

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

Composer/Packagist

Leader

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

crates.io/Cargo

The official tool for managing Rust project dependencies, compiling code, and publishing packages to registries like crates.io

Independently observed

Pricing

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

Composer/Packagist

Leader
Open source
as of verify ↗

crates.io/Cargo

Open sourceFree tier
as of verify ↗

Platform & deployment

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

Platforms
CLI
Composer/Packagist✓
crates.io/Cargo✓
Deployment
Cloud / SaaS
Composer/Packagist✓
crates.io/Cargo✗
Self-hosted
Composer/Packagist✓
crates.io/Cargo✓

Integrations

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

Composer/Packagist

Leader
4 total
  • GitHub
  • Git
  • Subversion
  • Mercurial
Independently observed

crates.io/Cargo

Not documented yet.

Still deciding?

Composer/Packagist or crates.io/Cargo: 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.