Comparison

Composer/Packagist vs uv

No clear leader: uv (64.6) and Composer/Packagist (62.6) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Composer/Packagist63
uv65
Score
vioscaleAI score
Composer/Packagist63 / 100medium · 50%
uv65 / 100medium · 63%
Pricing
Free tier
Composer/Packagist✓
uv✓
Model
Composer/Packagistopen_source
Price level
Composer/Packagistfree
Transparent
Composer/Packagist✓
uv–
Integrations
Count
Composer/Packagist4
uv17
Reliability
Status page
Composer/Packagist✓
uv–
Adoption
Dependent repos
Composer/Packagist35,414
uv0
Github stars
Composer/Packagist29,550
Package downloads weekly
Composer/Packagist–
Activity
Commits last 30d
Composer/Packagist51
uv100
Release
Cadence days
Composer/Packagist6
uv2
History
Composer/Packagist20 items
License
Spdx
Composer/PackagistMIT
Language
Primary
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
Composer/PackagistPublic registry
uvPackage manager client
Ecosystem
Ecosystem / language
Composer/PackagistPHP
uvPython
Deployment
Deployment
Composer/PackagistBoth
uvCLI-local
Formats
Package formats supported
Composer/PackagistSingle ecosystem
uvMany formats
Hosting
Private / scoped packages
Composer/Packagist✓
uv-
Upstream proxy / caching
Composer/Packagist✓
uv-
Resolution
Lockfile / deterministic installs
Composer/Packagist✓
uv✓
Workspaces / monorepo
Composer/Packagist✓
uv✓
Content-addressable store
Composer/Packagist-
uv-
Supply chain
Supply-chain integrity
Composer/Packagist✓
uv✓
Vulnerability / licence scanning
Composer/Packagist✓
uv✗
Licensing
Openness
Composer/PackagistOpen-source
uvOpen-source
Pricing
Pricing model
Composer/PackagistFree / OSS
uvFree / OSS

What each one is

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

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

uv

A unified command-line tool that consolidates the functionality of multiple Python package management and development utilities into a single interface. It delivers substantially faster dependency resolution and installation compared to traditional package managers.

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

Open source
as of verify ↗

uv

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
Composer/Packagist✗
uv✓
Windows
Composer/Packagist✗
uv✓
Linux
Composer/Packagist✗
uv✓
CLI
Composer/Packagist✓
uv✓
Deployment
Cloud / SaaS
Composer/Packagist✓
uv✗
Self-hosted
Composer/Packagist✓
uv✓

Integrations

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

Composer/Packagist

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

uv

10 total
  • Docker
  • GitHub Actions
  • GitLab CI/CD
  • AWS Lambda
  • Azure Artifacts
  • AWS CodeArtifact
  • JFrog Artifactory
  • PyTorch
  • FastAPI
  • Jupyter
Independently observed
Still deciding?

Composer/Packagist or uv: 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.