# Bun vs Verdaccio

**Leader by vioscaleAI score:** Bun

| Attribute | Bun | Verdaccio |
|---|---|---|
| **vioscaleAI score** | 74.2 (56% (medium)) | 67.5 (77% (high)) |
| activity.commits_last_30d | 100 | 63 |
| adoption.dependent_repos | 21,486 | 4,188 |
| adoption.github_stars | 96,235 | 17,912 |
| adoption.package_downloads_weekly | 3,990,852 | 656,845 |
| content.faq | `[{"answer":"Bun is a JavaScript runtime and development toolkit designed as a fast alternative to Node.js with built-in package management, testing, and bundling capabilities. It can be adopted incrementally into existing Node.js projects or used as a complete replacement for development tooling. It is indexed under Package Registries.","source":"https://bun.sh","question":"What is Bun?","confidence":0.6},{"answer":"Bun offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://bun.sh","question":"Is Bun free?","confidence":0.6},{"answer":"Bun supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://bun.sh","question":"What platforms does Bun support?","confidence":0.6},{"answer":"Yes. Bun can be deployed self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://bun.sh","question":"Can Bun be self-hosted?","confidence":0.6},{"answer":"Yes. Bun is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://www.npmjs.com/package/bun","question":"Is Bun open source?","confidence":0.85}]` | `[{"answer":"Verdaccio is an open-source, lightweight registry for managing npm packages locally within an organization. It runs with minimal configuration, proxies remote registries to cache packages locally, and supports private package hosting without requiring external infrastructure. It is indexed under Package Registries.","source":"https://verdaccio.org","question":"What is Verdaccio?","confidence":0.6},{"answer":"Verdaccio offers a free tier, so you can start without paying. Pricing changes often, so verify at source before relying on it.","source":"https://verdaccio.org","question":"Is Verdaccio free?","confidence":0.6},{"answer":"Verdaccio supports Windows, macOS, Linux and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://verdaccio.org","question":"What platforms does Verdaccio support?","confidence":0.6},{"answer":"Yes. Verdaccio can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://verdaccio.org","question":"Can Verdaccio be self-hosted?","confidence":0.6},{"answer":"We have confirmed 13 integrations for Verdaccio, including npm, yarn, Docker, Kubernetes, Helm, Amazon S3, Google Cloud Storage and Snyk, plus 5 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://verdaccio.org","question":"What does Verdaccio integrate with?","confidence":0.6},{"answer":"Yes. Verdaccio is published under the MIT licence, a permissive licence that generally allows commercial use and modification. Licence terms can change between releases, so verify against the repository for the version you intend to use.","source":"https://github.com/verdaccio/verdaccio","question":"Is Verdaccio open source?","confidence":0.99}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"on_prem":true,"self_hosted":true}` |
| description.long | A JavaScript runtime that executes TypeScript natively using JavaScriptCore, bundling a package manager, bundler, and test runner with Node.js compatibility and npm ecosystem support. | Self-hosted package registry software that lets you publish private packages, cache public ones, and integrate seamlessly with npm, pnpm, or yarn. Designed for both local development and team deployment. |
| features.capabilities | `{"role":"manager_client","ecosystem":"js","deployment":"cli_local","workspaces":true,"open_source":"oss","pricing_model":"free","upstream_proxy":true,"package_formats":"multi","private_packages":true,"content_addressable":true,"vuln_license_scanning":true,"lockfile_deterministic":true,"supply_chain_integrity":true}` | `{"role":"private_hosted_registry","ecosystem":"js","deployment":"cli_local","open_source":"oss","pricing_model":"free","upstream_proxy":true,"package_formats":"single","private_packages":true,"vuln_license_scanning":true,"lockfile_deterministic":true,"supply_chain_integrity":true}` |
| integrations.count | - | 5 |
| integrations.list | - | `[{"name":"npm"},{"name":"yarn"},{"name":"pnpm"},{"name":"Docker"},{"name":"Kubernetes"},{"name":"Helm"},{"name":"Amazon S3"},{"name":"Google Cloud Storage"},{"name":"Snyk"},{"name":"Ansible"},{"name":"nx"},{"name":"create-react-app"},{"name":"Angular CLI"},{"name":"Storybook"}]` |
| language.primary | Rust | TypeScript |
| license.spdx | MIT | MIT |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"web":true,"linux":true}` |
| pricing | `{"type":"open_source","summary":"Free and open source","freeTier":true,"sourceUrl":"https://bun.sh","retrievedAt":"2026-10-14T22:32:45.643Z"}` | `{"type":"free","freeTier":true,"sourceUrl":"https://verdaccio.org","retrievedAt":"2026-10-13T15:09:16.261Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | free |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 14 | 3 |
| release.history | `[{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.4.3","date":"2026-10-10T05:24:54Z","type":"stable","version":"bun-v1.4.3"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.4.2","date":"2026-09-05T05:55:48Z","type":"stable","version":"bun-v1.4.2"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.4.1","date":"2026-09-04T08:33:19Z","type":"stable","version":"bun-v1.4.1"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.4.0","date":"2026-08-20T14:07:21Z","type":"stable","version":"bun-v1.4.0"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.14","date":"2026-05-13T03:48:28Z","type":"stable","version":"bun-v1.3.14"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.13","date":"2026-04-20T08:07:57Z","type":"stable","version":"bun-v1.3.13"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.12","date":"2026-04-10T03:04:46Z","type":"stable","version":"bun-v1.3.12"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.11","date":"2026-03-18T04:31:40Z","type":"stable","version":"bun-v1.3.11"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.10","date":"2026-02-26T07:08:20Z","type":"stable","version":"bun-v1.3.10"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.9","date":"2026-02-08T09:31:23Z","type":"stable","version":"bun-v1.3.9"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.8","date":"2026-01-29T10:38:16Z","type":"stable","version":"bun-v1.3.8"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.7","date":"2026-01-27T07:04:03Z","type":"stable","version":"bun-v1.3.7"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.6","date":"2026-01-13T02:27:21Z","type":"stable","version":"bun-v1.3.6"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.5","date":"2025-12-17T16:55:41Z","type":"stable","version":"bun-v1.3.5"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.4","date":"2025-12-07T04:53:19Z","type":"stable","version":"bun-v1.3.4"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.3","date":"2025-11-21T19:32:02Z","type":"stable","version":"bun-v1.3.3"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.2","date":"2025-11-08T07:57:10Z","type":"stable","version":"bun-v1.3.2"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.1","date":"2025-10-22T07:53:48Z","type":"stable","version":"bun-v1.3.1"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.3.0","date":"2025-10-10T20:32:14Z","type":"stable","version":"bun-v1.3.0"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.2.23","date":"2025-09-28T14:23:34Z","type":"stable","version":"bun-v1.2.23"}]` | `[{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v7.0.0-next-7.30","date":"2026-10-03T21:04:50Z","type":"prerelease","version":"v7.0.0-next-7.30"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.10.5","date":"2026-10-03T19:49:48Z","type":"stable","version":"v6.10.5"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v7.0.0-next-7.29","date":"2026-09-27T19:49:46Z","type":"prerelease","version":"v7.0.0-next-7.29"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v7.0.0-next-7.28","date":"2026-09-26T12:37:36Z","type":"prerelease","version":"v7.0.0-next-7.28"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.10.4","date":"2026-09-20T15:25:55Z","type":"stable","version":"v6.10.4"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.10.3","date":"2026-09-05T19:37:13Z","type":"stable","version":"v6.10.3"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v7.0.0-next-7.27","date":"2026-09-04T21:02:51Z","type":"prerelease","version":"v7.0.0-next-7.27"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.10.2","date":"2026-09-02T20:52:18Z","type":"stable","version":"v6.10.2"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v7.0.0-next-7.26","date":"2026-08-30T16:52:49Z","type":"prerelease","version":"v7.0.0-next-7.26"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v7.0.0-next-7.25","date":"2026-08-30T13:11:45Z","type":"prerelease","version":"v7.0.0-next-7.25"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.10.1","date":"2026-08-26T20:51:59Z","type":"stable","version":"v6.10.1"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v7.0.0-next-7.24","date":"2026-08-18T16:52:43Z","type":"prerelease","version":"v7.0.0-next-7.24"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.10.0","date":"2026-08-18T06:06:54Z","type":"stable","version":"v6.10.0"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.9.3","date":"2026-08-17T21:52:20Z","type":"stable","version":"v6.9.3"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.9.2","date":"2026-08-02T17:52:15Z","type":"stable","version":"v6.9.2"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.9.1","date":"2026-08-02T08:26:30Z","type":"stable","version":"v6.9.1"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.9.0","date":"2026-07-26T20:05:02Z","type":"stable","version":"v6.9.0"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.8.0","date":"2026-07-13T20:50:22Z","type":"stable","version":"v6.8.0"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v7.0.0-next-7.23","date":"2026-07-11T12:39:21Z","type":"prerelease","version":"v7.0.0-next-7.23"},{"url":"https://github.com/verdaccio/verdaccio/releases/tag/v6.7.4","date":"2026-06-21T08:01:04Z","type":"stable","version":"v6.7.4"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | - | 6.5 |
| security.trust_center | - | https://verdaccio.org/community/security |
| security.vulnerabilities | `{"count":2,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=bun&per_page=100","last_12m":0,"max_severity":"HIGH"}` | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=verdaccio&per_page=100","last_12m":0,"max_severity":"MODERATE"}` |

## Capabilities (Package Registries)

| Capability | Bun | Verdaccio |
|---|:--:|:--:|
| **Core** |  |  |
| Role | Package manager client | Private hosted registry |
| **Ecosystem** |  |  |
| Ecosystem / language | JavaScript | JavaScript |
| **Deployment** |  |  |
| Deployment | CLI-local | CLI-local |
| **Formats** |  |  |
| Package formats supported | Many formats | Single ecosystem |
| **Hosting** |  |  |
| Private / scoped packages | ✓ | ✓ |
| Upstream proxy / caching | ✓ | ✓ |
| **Resolution** |  |  |
| Lockfile / deterministic installs | ✓ | ✓ |
| Workspaces / monorepo | ✓ | - |
| Content-addressable store | ✓ | - |
| **Supply chain** |  |  |
| Supply-chain integrity | ✓ | ✓ |
| Vulnerability / licence scanning | ✓ | ✓ |
| **Licensing** |  |  |
| Openness | Open-source | Open-source |
| **Pricing** |  |  |
| Pricing model | Free / OSS | Free / OSS |

*Source: vioscaleAI. Generated 2026-10-16T20:59:23.956Z. "-" = undocumented, not absent.*