moon
moon: A flexible monorepo build system with smart caching, but no distributed remote execution. Ranked #8 of 42 in Build Automation Software by our editors (8.5/10); pricing: Open source; best for polyglot monorepos needing smart task caching.
At a glance
- Editor score8.5 / 10
- PricingOpen source
- Best forPolyglot monorepos needing smart task caching
- Paid fromFree
- Facts checked22 Sep 2026
Where it wins
- Dependency graphs and parallel execution keep task ordering explicit
- Smart hashing with local and remote caching supports incremental builds
- Supports Linux, macOS, Windows and multiple language ecosystems
Where it doesn't
- Distributed remote action execution is not available
- Configuration spans projects, tasks, dependencies, and toolchains
- Its focus is web-oriented codebases rather than general build workflows
Our verdict on moon
moon is an open-source repository management, orchestration, and notification tool for web-focused codebases. It defines projects and tasks in configuration files, generates project and dependency graphs, and runs tasks in parallel while respecting dependency order. Its ecosystem coverage includes npm, pnpm, Yarn, Bun, Deno, Go, Python, Ruby, and Rust, with support for Linux, macOS, and Windows. It is a strong fit for teams coordinating polyglot monorepos that need one declarative build workflow across multiple package managers and languages.
The main technical strength is its approach to incremental work. Smart hashing helps identify what needs to run, while local build-output caching and hydration can reuse previous results. Remote caching is also supported through self-hosted or cloud services, including Depot Cache and the Bazel Remote Execution API. Integrated toolchain version management adds another layer of consistency, while flakiness detection, retries, webhooks, terminal notifications, and Git hooks extend moon beyond task execution. Teams choosing moon should value dependency-aware orchestration and caching more than a narrowly focused build runner.
moon is distributed as open-source software under the MIT license, with a free plan and no paid-tier structure presented in the published product details. It can be installed as a standalone binary or through package managers. The clearest boundary is remote execution: remote caching is supported, but distributed remote action execution is described as coming soon rather than available. Teams needing remote cache-backed builds can consider moon, while those requiring available distributed execution should choose an alternative. Its configuration-driven model also suits teams prepared to define projects, tasks, and toolchains explicitly.
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moon pricing
moon fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Build as code | Yes |
| Dependency locking | Yes |
| Build caching | Yes |
| Remote execution | Yes |
| Artifact packaging | Yes |
| Supported operating systems | Multi-platform |
| Deployment | Self-hosted |
| Platforms | Windows, macOS, Linux |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Integrations | 8 integrations: GitHub Actions, GitLab CI, Depot Cache, Bazel Remote Execution API, npm, pnpm … |
| Pricing | Open source |
| Website | moonrepo.dev |
| Facts checked | 22 Sep 2026 |
moon integrations
moon lists 8 integrations on its own site.
- GitHub Actions
- GitLab CI
- Depot Cache
- Bazel Remote Execution API
- npm
- pnpm
- Yarn
- Bun
Alternatives to moon
- BazelA powerful open-source choice for large polyglot builds and remote execution.9.4
- PantsA capable open-source choice for monorepos that need precise caching and dependency handling.9.3
- NxA capable choice for JavaScript monorepos that need affected builds and managed CI scaling.9.1
moon vs the competition
Compare moon with any tool side by side →
Also Ranked In
moon is ranked in 2 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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