Buck2 vs Rush

Buck28.8Visit Rush8.6Visit

Higher score Buck2 #5 in Build Automation Software 8.8/10 Free plan Free plan✓ 4 of 5 features Visit Buck2

vs

Rush #7 in Build Automation Software 8.6/10 Free plan Free plan✓ 5 of 5 features Visit Rush

• Buck2 fits best

  Teams wanting Bazel-style distributed builds

• Rush fits best

  Large JavaScript or TypeScript monorepos

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature	Buck2 8.8/10 Visit ↗	Rush 8.6/10 Visit ↗
At a glance
Editor score	8.8	8.6
Ranking	#5 in Build Automation Software	#7 in Build Automation Software
Best for	Teams wanting Bazel-style distributed builds	Large JavaScript or TypeScript monorepos
Pricing model	Free	Free
Starting price	Free plan	Free plan
Free plan	✓	✓
Free trial	—	—
Deployment	Self-hosted	Desktop, Self-hosted
Platforms	Linux, macOS, Windows	Windows, macOS, Linux
Support	Community, Docs	Community, Docs
Built for	Mid-market, Enterprise	Mid-market, Enterprise
Features Buck2 4/5 · Rush 5/5
Build as code	✓	✓
Dependency locking	Not checked yet	✓ (best)
Build caching	✓	✓
Remote execution	✓	✓
Artifact packaging	✓	✓
Specs
Supported operating systems	Multi-platform	Multi-platform
Our review
Pros	Supports local, remote, and hybrid build execution Starlark enables custom rules and multi-language builds Incremental graphs and action caching reduce repeated work	Parallel and incremental builds reduce unnecessary monorepo work. Local and cloud-backed caching supports repeatable build workflows. Dependency policies, versioning, publishing, and archives are built in.
Cons	No stable release tag was available at the time of research Distributed execution may require compatible remote infrastructure Its breadth may exceed the needs of smaller repositories	Cloud caching and cooperative distributed builds are experimental. Its scope may exceed the needs of smaller or single-project repositories. Deployment archive creation is focused on ZIP output.
Our verdict	Buck2 is an open-source build system developed by Meta for large-scale, multi-language repositories. It uses Starlark definitions for build configuration and custom rules, with support for C++, Python, Rust, Java, Kotlin, Go, Erlang,… Read the review →	Rush is an open-source command-line tool for JavaScript and TypeScript monorepos. It coordinates dependency installation, project linking, parallel builds, incremental builds, subset and impacted-project builds, versioning, changelog… Read the review →

Strengths and trade-offs

• Buck2 — where it wins

  • Supports local, remote, and hybrid build execution
  • Starlark enables custom rules and multi-language builds
  • Incremental graphs and action caching reduce repeated work

  Where it doesn't

  • No stable release tag was available at the time of research
  • Distributed execution may require compatible remote infrastructure
  • Its breadth may exceed the needs of smaller repositories

• Rush — where it wins

  • Parallel and incremental builds reduce unnecessary monorepo work.
  • Local and cloud-backed caching supports repeatable build workflows.
  • Dependency policies, versioning, publishing, and archives are built in.

  Where it doesn't

  • Cloud caching and cooperative distributed builds are experimental.
  • Its scope may exceed the needs of smaller or single-project repositories.
  • Deployment archive creation is focused on ZIP output.

• Buck28.8/10 · Free plan

  An open-source choice for Bazel-style builds with caching and remote execution.

  Visit Buck2Full verdict →
• Rush8.6/10 · Free plan

  Open-source build and release coordination for large JavaScript and TypeScript monorepos.

  Visit RushFull verdict →