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Databases · head to head

Valkey vs Yarn

Valkey logo

Valkey

Databases

Open-source in-memory data store forked from Redis

From
Free
Free plan
Yes
Visit ValkeyFull review
Yarn logo

Yarn

Developer Tools

Fast, reliable, and secure dependency management

From
Free
Free plan
Yes
Visit YarnFull review

The short version

  • Yarn is a package manager.
  • Both are free.
  • Where Valkey falls short: younger project, so its track record is short even though the codebase is not.
  • Where Yarn falls short: Yarn 2+ (Berry) has limited ESM support which can be a constraint for some projects.
  • Prices and features on this page were last checked on 29 August 2026.

Where they differ

Only the attributes on which Valkey and Yarn actually diverge.

Attributes where Valkey and Yarn differ
AttributeValkeyYarn
Pricing modelOpen source, no licence fee; managed cloud billed separatelyFree
PlatformsLinux, macOS, Self-hostedWeb, Linux, macOS, Windows
CategoryDatabasesDeveloper Tools

Identical on both: starting price (Free), free tier (Yes).

Not yet recorded: founded for Valkey.

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Valkey

  • Redis-compatible
  • BSD licensed
  • Rich data structures
  • Replication and persistence

Only in Yarn

Nothing recorded that Valkey does not also cover.

What people use each for

The jobs each tool is most often brought in to do.

Valkey

  • Continuing on a permissively licensed in-memory store after the Redis licence changenot Yarn
  • Caching and session storage where a foundation-governed project is a procurement requirementnot Yarn
  • Migrating from Redis without rewriting application codenot Yarn

Yarn

  • Monorepo teams managing dependencies across 50+ interdependent packagesnot Valkey
  • Enterprise JavaScript projects ensuring reproducible builds across CI/CDnot Valkey
  • Open-source projects with plugin ecosystems coordinating versionsnot Valkey
  • Teams requiring consistent package installs regardless of network conditionsnot Valkey

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Valkey

  • Younger project, so its track record is short even though the codebase is not
  • Divergence from Redis grows over time, so compatibility is strongest near the fork point and weakens as both evolve
  • Ecosystem tooling and documentation still frequently assume Redis, leaving translation work

Yarn

  • Yarn 2+ (Berry) has limited ESM support which can be a constraint for some projects
  • Smaller ecosystem and community compared to npm, though still substantial

Pricing, plan by plan

Valkey

Free
  • ValkeyFree
    • Full functionality
    • Self-hosted
    • No usage limits

Yarn

Free

No published plan breakdown. See the Yarn review.

Which should you pick?

Choose Valkey if

  • You need redis-compatible.
  • You want to start without paying.
  • You work on Linux, macOS, Self-hosted.
  • You also want bsd licensed.
Valkey review

Choose Yarn if

  • You want to start without paying.
  • You work on Web, Linux, macOS, Windows.
Yarn review

Questions people ask

Is Valkey or Yarn better?
Neither clearly leads. Valkey starts at Free and Yarn at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Valkey or Yarn?
Valkey starts at Free and Yarn at Free.
Does Valkey or Yarn run on more platforms?
Valkey runs on Linux, macOS, Self-hosted. Yarn runs on Web, Linux, macOS, Windows.
Can I use Valkey for free?
Both have a free tier, so you can try either at no cost before committing.
What is Valkey best used for?
Valkey is most often used for continuing on a permissively licensed in-memory store after the redis licence change, caching and session storage where a foundation-governed project is a procurement requirement, migrating from redis without rewriting application code. Of those, continuing on a permissively licensed in-memory store after the redis licence change and caching and session storage where a foundation-governed project is a procurement requirement are not what Yarn is typically brought in for.
What can Valkey do that Yarn cannot?
Valkey covers Redis-compatible, BSD licensed, Rich data structures, Replication and persistence.

Answered from the vendors’ own pages

Valkey: Is Valkey free?

Yes, BSD-licensed open source under the Linux Foundation.

Yarn: What is Yarn's main advantage over npm?

Yarn downloads packages in parallel, significantly reducing installation time. It uses a yarn.lock file for deterministic installs, ensuring identical package versions across machines and preventing version conflicts common with npm.

Source
Valkey: Why does Valkey exist?

Redis changed its licence away from BSD in 2024. Valkey is the community fork continuing under permissive terms, backed by AWS, Google Cloud and Oracle among others.

Yarn: Can I use Yarn in offline environments?

Yes, Yarn supports secure offline environments. The yarn.lock file enables reproducible installs without requiring new downloads.

Source
Valkey: Can I switch from Redis to Valkey?

At the fork point it is drop-in compatible with existing clients and data. The further both projects move from that point, the more you should verify the specific features you use.

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