Go Module Mirror
Go Module Mirror: A free public proxy for caching and resolving Go modules, not private packages. Ranked #24 of 28 in Package Registries by our editors (6.4/10); pricing: Free plan; best for go teams relying on a public module proxy.
At a glance
- Editor score6.4 / 10
- PricingFree plan
- Best forGo teams relying on a public module proxy
- Free planYes
- Paid fromFree
- Package ecosystemsSingle
- Founded2019
- Facts checked24 Sep 2026
Where it wins
- Caches module metadata and source code for Go tools.
- Serves version lists, go.mod files, and source archives.
- Can retain cached versions after they disappear from origin.
Where it doesn't
- Supports only the Go package ecosystem.
- Does not host private modules on users’ behalf.
- Its scope is limited to public module proxying.
Our verdict on Go Module Mirror
Go Module Mirror is a public proxy that caches metadata and source code for Go modules. It is aimed at Go developers and build tools that resolve public dependencies, including teams that want Go tools to fetch modules through a shared public mirror. The service uses the Go module proxy format and is available as a cloud API; it is not a registry for hosting private modules on a team's behalf.
Its central role is dependency retrieval rather than package publishing or registry administration. It serves module version lists and metadata, go.mod files, and module source archives. Go tools use it by default as a public module proxy, and developers can also configure proxy behavior through the GOPROXY environment variable. Cached module versions may remain available even after they disappear from their origin, which can help maintain access to previously fetched dependencies. This focus suits teams whose builds depend on public Go modules, but it does not cover other package ecosystems or private-package hosting.
The service is free and has no paid tiers described here, so there is no plan ladder to weigh against expanded features. Its narrow remit is the main decision point: teams seeking a public Go proxy for retrieval can use the mirror's cache and standard proxy responses, while teams needing private registries, package publishing workflows, or support for multiple ecosystems should choose a broader registry product. For Go teams that only need public module resolution, its default integration with Go tools and GOPROXY configuration make it a focused fit.
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Go Module Mirror pricing
Go Module Mirror fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Package ecosystems | Single |
| Private packages | No |
| Package size limit | Not verified |
| Storage limit | Not verified |
| Download limit | Not verified |
| Access controls | Not verified |
| Deployment | Cloud |
| Built for | Solo, Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan |
| Website | proxy.golang.org |
| Facts checked | 24 Sep 2026 |
Alternatives to Go Module Mirror
- NuGetA free, comprehensive package manager for public and private .NET feeds.9.4
- Maven CentralA strong public registry for Java and JVM artifacts, with structured publishing controls.9.3
- PackagistA free public registry for discovering and distributing PHP packages through Composer.8.8
See all Go Module Mirror alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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