# Bun vs NuGet

**Leader by Vioscale score:** Bun

| Attribute | Bun | NuGet |
|---|---|---|
| **Vioscale score** | 74.2 (70% (medium)) | 46.3 (39% (low)) |
| activity.commits_last_30d | 100 | 34 |
| adoption.dependent_repos | 21,486 | 9 |
| adoption.github_stars | 95,712 | 1,642 |
| adoption.package_downloads_weekly | 3,314,443 | - |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | 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. | NuGet is the official central repository for .NET packages. It allows developers to author, discover, and integrate reusable code libraries and components into their .NET applications. |
| features.capabilities | `{"role":"manager_client","ecosystem":"js","deployment":"cli_local","workspaces":true,"pricing_model":"free","upstream_proxy":true,"package_formats":"multi","vuln_license_scanning":true,"supply_chain_integrity":true}` | `{"role":"public_registry","ecosystem":"dotnet","deployment":"both","open_source":"oss","pricing_model":"free","package_formats":"single"}` |
| integrations.count | - | 5 |
| integrations.list | - | `[{"name":"Visual Studio"},{"name":"Visual Studio Code"},{"name":"GitHub Codespaces"},{"name":"Azure DevOps"},{"name":"Azure DevOps Server"}]` |
| language.primary | Rust | C# |
| license.spdx | MIT | Apache-2.0 |
| market.availability | - | `{"hqCountry":"US","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"mac":true,"linux":true,"windows":true}` | `{"cli":true,"web":true}` |
| pricing | `{"type":"free","freeTier":true,"sourceUrl":"https://bun.sh","retrievedAt":"2026-08-14T08:38:04.509Z"}` | `{"type":"open_source","summary":"Free and open-source","freeTier":true,"sourceUrl":"https://www.nuget.org","retrievedAt":"2026-08-14T08:32:34.991Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| pricing.transparent | - | yes |
| release.cadence_days | 14 | 34 |
| release.history | `[{"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/oven-sh/bun/releases/tag/bun-v1.2.22","date":"2025-09-14T13:01:31Z","type":"stable","version":"bun-v1.2.22"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.2.21","date":"2025-08-25T11:51:34Z","type":"stable","version":"bun-v1.2.21"},{"url":"https://github.com/oven-sh/bun/releases/tag/bun-v1.2.20","date":"2025-08-10T12:07:43Z","type":"stable","version":"bun-v1.2.20"}]` | `[{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2024.12.06","date":"2024-12-06T21:44:49Z","type":"stable","version":"v2024.12.06"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2024.12.05","date":"2024-12-05T17:52:55Z","type":"prerelease","version":"v2024.12.05"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2023.04.25","date":"2023-04-27T14:26:06Z","type":"stable","version":"v2023.04.25"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2023.02.27","date":"2023-02-27T16:09:45Z","type":"stable","version":"v2023.02.27"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2022.10.19","date":"2022-10-31T17:21:59Z","type":"stable","version":"v2022.10.19"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2021.04.08","date":"2021-04-09T04:30:39Z","type":"stable","version":"v2021.04.08"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2020.06.09","date":"2020-06-09T17:19:40Z","type":"stable","version":"v2020.06.09"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2019.06.24","date":"2019-07-01T22:13:47Z","type":"stable","version":"v2019.06.24"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2019.01.14","date":"2019-01-15T21:00:46Z","type":"stable","version":"v2019.01.14"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.12.12","date":"2018-12-13T00:24:25Z","type":"stable","version":"v2018.12.12"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.11.12","date":"2018-11-13T02:24:57Z","type":"stable","version":"v2018.11.12"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.10.20","date":"2018-10-19T23:09:46Z","type":"stable","version":"v2018.10.20"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.11.05","date":"2018-11-06T23:33:15Z","type":"stable","version":"v2018.11.05"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.09.25","date":"2018-09-26T22:26:36Z","type":"stable","version":"v2018.09.25"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.08.08","date":"2018-08-20T22:47:52Z","type":"stable","version":"v2018.08.08"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.08.01","date":"2018-08-20T22:47:43Z","type":"stable","version":"v2018.08.01"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.07.16","date":"2018-07-17T18:54:25Z","type":"stable","version":"v2018.07.16"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.11.06","date":"2018-06-12T02:54:37Z","type":"stable","version":"v2018.11.06"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.05.21","date":"2018-05-25T18:25:31Z","type":"stable","version":"v2018.05.21"},{"url":"https://github.com/NuGet/NuGetGallery/releases/tag/v2018.05.08","date":"2018-05-15T22:26:47Z","type":"stable","version":"v2018.05.08"}]` |
| reliability.status_page | - | yes |
| security.scorecard | - | 5 |
| 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":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=nuget&package_name=nuget.services.build&per_page=100","last_12m":0,"max_severity":null}` |

## Capabilities (Package Registries)

| Capability | Bun | NuGet |
|---|:--:|:--:|
| **Core** |  |  |
| Role | Package manager client | Public registry |
| **Ecosystem** |  |  |
| Ecosystem / language | JavaScript | .NET |
| **Deployment** |  |  |
| Deployment | CLI-local | Both |
| **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 |
| **Pricing** |  |  |
| Pricing model | Free / OSS | Free / OSS |

*Source: Vioscale. Generated 2026-09-01T16:57:19.810Z. "-" = undocumented, not absent.*
