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Rush

rushjs.io

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Spec score 7.7 #10 of 19 in JavaScript Package Managers

What it is

Rush is a monorepo manager for JavaScript developers who build and publish many packages from a shared Git repository. It can install dependencies, link projects, build, generate change logs, update versions, and publish packages to an npm registry. Build modes include parallel, subset, incremental, and distributed builds. Rush puts dependencies in a common folder and uses symlinks to recreate a node_modules folder for each project. Its installation algorithm supports PNPM, NPM, and Yarn. For releases, it gathers change files and updates package versions and changelogs before publishing. Project folders remain self-contained: they can be built without Rush or moved to a separate repository without code changes. Rush runs on Linux, macOS, and Windows; its getting-started demo lists NodeJS as the only prerequisite. Plugins can share configuration and extend features, but the plugin framework is marked experimental. Microsoft does not provide official support; community help is directed to GitHub issues and Rush Stack Zulip. Rush is free and open source.

Spec sheet

What it does
Rush is a scalable monorepo manager for JavaScript developers who build and publish many packages from a common Git repository.Read 30 Sep 2026 · rushjs.io
Intended users
Rush is presented for JavaScript developers consolidating many projects or packages into a single repository, including large teams maintaining large repositories.Read 30 Sep 2026 · rushjs.io
Integrations
The Rush documentation includes integration guides for Sparo and Mergify, and lists Amazon S3 and Azure Storage build-cache plugins.Read 30 Sep 2026 · rushjs.io
Support
Microsoft does not provide official support for Rush; the documentation points users to GitHub issues and a Rush Stack Zulip chat room for community help.Read 30 Sep 2026 · rushjs.io
Headquarters
Redmond, Washington, USARead 28 Sep 2026 · rushjs.io
Founded
1975Read 28 Sep 2026 · rushjs.io
Builds
Rush supports parallel, subset, incremental, and distributed builds.Read 30 Sep 2026 · rushjs.io
Dependency management
Rush installs dependencies into a common folder and uses symlinks to reconstruct a node_modules folder for each project.Read 30 Sep 2026 · rushjs.io
Extensibility
Rush plugins can share configuration across monorepos, extend Rush features, and prototype features; the plugin framework is marked experimental.Read 30 Sep 2026 · rushjs.io
Operating systems
The contribution instructions show Rush development and testing commands for Mac OS, Linux, and Windows.Read 30 Sep 2026 · rushjs.io
Orchestration
Rush can install, link, build, generate change logs, publish packages, and bump versions.Read 30 Sep 2026 · rushjs.io
Package managers
The Rush installation algorithm supports PNPM, NPM, and Yarn.Read 30 Sep 2026 · rushjs.io
Prerequisite
The getting-started demo states that NodeJS is the only prerequisite and installs Rush with npm install -g @microsoft/rush.Read 30 Sep 2026 · rushjs.io
Project boundaries
The FAQ says project folders remain self-contained, can be built without Rush, and can be moved to a separate repository without code changes.Read 30 Sep 2026 · rushjs.io
Release management
Rush can gather change files, update package versions and changelogs, and publish packages to an npm registry.Read 30 Sep 2026 · rushjs.io
Security or compliance
Rush documentation describes repo policies for reviewing new package dependencies and enforcing consistent dependency versions.Read 30 Sep 2026 · rushjs.io

Plans and prices

Rush Free Free and open source JavaScript monorepo manager · installable via npm Read 30 Sep 2026 · rushjs.io

Every Rush plan and price →

Strong points and limits

Strong points

  • Supports parallel, subset, incremental, and distributed builds.
  • Works with PNPM, NPM, and Yarn.
  • Projects can be built or moved without Rush.
  • Runs on Linux, macOS, and Windows.

Limits

  • The plugin framework is experimental.
  • Microsoft does not provide official support.

Who it suits

Rush suits JavaScript developers consolidating multiple projects or packages in one repository, including large teams maintaining large repositories. It is useful for teams that need shared dependency and release workflows.

Verdict

Rush covers dependency installation, builds, and package release tasks for shared JavaScript repositories. Its plugins remain experimental, and support is community-based rather than official Microsoft support.

Where Specifiction places it

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