Yarn

A modern package manager designed for speed, reliability, and security in managing project dependencies

Also known as: yarn

What is Yarn?

A modular package manager with an innovative architecture that supports workspaces, multiple programming languages through plugins, and various package sources including npm registries, GitHub, and Git repositories.

Independently observed

Yarn pricing

We don't have Yarn's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.

What Yarn does

The capabilities that matter for package registries, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.

Core

Role: Package manager client

Ecosystem

Ecosystem / language: JavaScript

Deployment

Deployment: CLI-local

Formats

Package formats supported: Many formats

Hosting

Private / scoped packages: ✓
Upstream proxy / caching: -

Resolution

Lockfile / deterministic installs: -
Workspaces / monorepo: ✓
Content-addressable store: -

Supply chain

Supply-chain integrity: -
Vulnerability / licence scanning: -

Licensing

Openness: Open-source

Pricing

Pricing model: Free / OSS

Independently observed

Platform & deployment

Independently observed

Platforms

CLI
macOS
Linux
Windows

Deployment

Self-hosted

Integrations (3)

Independently observed

GitHub•
Git•
npm•

Security & compliance

Known vulnerabilities: 0 (0 in the last 12 months) sourcea count reflects scale & disclosure, not quality

Yarn FAQ

Common questions about Yarn, answered from independent, dated evidence.

What is Yarn?

Yarn is a package manager that functions as both a package and project manager, supporting everything from simple projects to industry monorepos for open source developers and enterprise users. It is indexed under Package Registries.

Source: https://yarnpkg.com

Is Yarn free to use?

Yarn is open source, so it can be self-hosted and used at no licence cost. It is released under the BSD-2-Clause licence. Pricing changes often, so verify at source before relying on it.

Source: https://yarnpkg.com

What platforms does Yarn support?

Yarn supports a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.

Source: https://yarnpkg.com

Can Yarn be self-hosted?

Yes. Yarn can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.

Source: https://yarnpkg.com

Is Yarn open source?

Yes. Yarn is published under the BSD-2-Clause licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.

Source: https://github.com/yarnpkg/berry

Yarn alternatives

Other package registries we track, ranked by the same independent score.

All Yarn alternatives, ranked →

Compare Yarn

Side by side against other package registries, attribute by attribute, with a source on every value.

Independent · unbought · dated

The vioscaleAI score: one lens on the evidence

Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for Yarn, not the verdict.

Balanced composite 60 / 100

high · 77%

Signal contributions to the composite score
Signal	Score	Weight	Contribution	Evidence
Package downloads	91	0.15	13.5	✓
Release cadence	92	0.07	6.2	✓
Dependent projects	69	0.07	4.7	✓
Development activity	40	0.11	4.3	✓
Capabilities	46	0.09	4.0	✓
Security score	34	0.08	2.8	✓
Stars	74	0.03	2.0	✓
Integrations	17	0.05	0.9	✓
Security posture	0	0.18	0.0	-
Developer Q&A activity	0	0.05	0.0	-

Computed 2026-09-14. Re-weight it by intent, or see the full method.

All data & sourcesshow ↓

Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.

Activity

Attribute	Value	Evidence
Commits last 30dactivity.commits_last_30d	18	mediumsource · 2026-08-01 · 65%

Adoption

Attribute	Value	Evidence
Github starsadoption.github_stars	8,102	highsource · 2026-09-10 · 90%
Package downloads weeklyadoption.package_downloads_weekly	9,559,608	highsource · 2026-08-26 · 85%
Dependent reposadoption.dependent_repos	13,468	highsource · 2026-08-26 · 85%

Content

Attribute	Value	Evidence
Faqcontent.faq	5 items	mediumsource · 2026-09-10 · 68%

Features

Attribute	Value	Evidence
Capabilitiesfeatures.capabilities	Role: manager_client · Ecosystem: js · Deployment: cli_local · Workspaces: Yes · Open source: oss · Pricing model: free	mediumsource · 2026-09-14 · 60%

Integrations

Attribute	Value	Evidence
Countintegrations.count	3	mediumsource · 2026-09-14 · 60%

Language

Attribute	Value	Evidence
Primarylanguage.primary	TypeScript	highsource · 2026-09-10 · 90%

License

Attribute	Value	Evidence
Spdxlicense.spdx	BSD-2-Clause	highsource · 2026-09-10 · 99%

Pricing

Attribute	Value	Evidence
Free tierpricing.free_tier	Yes	mediumsource · 2026-08-13 · 60%
Modelpricing.model	commercial	lowsource · 2026-09-10 · 40%
Price levelpricing.price_level	free	mediumsource · 2026-08-13 · 60%

Release

Attribute	Value	Evidence
Cadence daysrelease.cadence_days	15	mediumsource · 2026-09-10 · 70%
Historyrelease.history	20 items	mediumsource · 2026-09-10 · 70%

Reliability

Attribute	Value	Evidence
Status pagereliability.status_page	Yes	mediumsource · 2026-08-01 · 60%

Security

Attribute	Value	Evidence
Scorecardsecurity.scorecard	3.4	highsource · 2026-09-10 · 90%
Vulnerabilitiessecurity.vulnerabilities	Count: 0 · Source: https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40yarnpkg%2Fparsers&per_page=100 · Last 12m: 0	highsource · 2026-08-26 · 90%

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