# Fastify vs NestJS

| Attribute | Fastify | NestJS |
|---|---|---|
| **Vioscale score** | 63.9 (78% (high)) | 63.8 (78% (high)) |
| activity.commits_last_30d | 69 | 100 |
| adoption.dependent_repos | 16,712 | 78,848 |
| adoption.github_stars | 37,024 | 76,466 |
| deployment.options | `{"self_hosted":true}` | `{"cloud":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` |
| description.long | A Node.js web framework optimized to handle high request volumes with minimal overhead, featuring a plugin system, JSON Schema validation, and native TypeScript support. | A unified platform integrating planning, source control, and CI/CD pipelines with built-in security scanning and compliance controls to help teams accelerate software delivery and maintain security across the entire lifecycle. |
| features.capabilities | `{"language":"JavaScript/TypeScript","api_routes":true,"typescript_first":true}` | `{"language":"TypeScript/JavaScript","api_routes":true,"typescript_first":true}` |
| integrations.count | 17 | 9 |
| integrations.list | `[{"name":"Next.js"},{"name":"Apollo Server"},{"name":"Angular"},{"name":"PostgreSQL"},{"name":"MongoDB"},{"name":"Redis"},{"name":"Elasticsearch"},{"name":"Swagger/OpenAPI"},{"name":"WebSocket"},{"name":"JWT"},{"name":"Helmet"},{"name":"Sentry"},{"name":"RabbitMQ"},{"name":"CORS"},{"name":"CSRF"},{"name":"OAuth2"},{"name":"Kubernetes"}]` | `[{"name":"Express"},{"name":"Fastify"},{"name":"GraphQL"},{"name":"TypeORM"},{"name":"Swagger/OpenAPI"},{"name":"Bull"},{"name":"WebSockets"},{"name":"Microservices"},{"name":"Angular Universal"}]` |
| language.primary | JavaScript | TypeScript |
| license.spdx | MIT | MIT |
| market.availability | - | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | - | `{"cli":true,"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://fastify.dev","retrievedAt":"2026-08-16T21:34:26.497Z"}` | `{"type":"hybrid","freeTier":true,"sourceUrl":"https://nestjs.com","retrievedAt":"2026-08-21T12:46:31.197Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | low |
| pricing.transparent | - | no |
| release.cadence_days | 3 | 6 |
| release.history | `[{"url":"https://github.com/fastify/fastify/releases/tag/v6.0.0-alpha.2","date":"2026-08-19T01:54:36Z","type":"prerelease","version":"v6.0.0-alpha.2"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.12.1","date":"2026-08-18T19:51:41Z","type":"stable","version":"v5.12.1"},{"url":"https://github.com/fastify/fastify/releases/tag/v6.0.0-alpha.1","date":"2026-08-13T15:57:10Z","type":"prerelease","version":"v6.0.0-alpha.1"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.12.0","date":"2026-08-13T15:55:21Z","type":"stable","version":"v5.12.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v6.0.0-alpha.0","date":"2026-08-11T08:32:37Z","type":"prerelease","version":"v6.0.0-alpha.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.11.3","date":"2026-08-08T06:55:46Z","type":"stable","version":"v5.11.3"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.11.2","date":"2026-08-03T08:21:47Z","type":"stable","version":"v5.11.2"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.11.1","date":"2026-08-03T08:10:10Z","type":"stable","version":"v5.11.1"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.11.0","date":"2026-07-30T09:32:16Z","type":"stable","version":"v5.11.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.10.0","date":"2026-07-05T09:37:06Z","type":"stable","version":"v5.10.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.9.0","date":"2026-06-28T08:21:36Z","type":"stable","version":"v5.9.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.5","date":"2026-04-14T12:09:02Z","type":"stable","version":"v5.8.5"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.4","date":"2026-03-23T10:31:20Z","type":"stable","version":"v5.8.4"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.3","date":"2026-03-23T10:20:21Z","type":"stable","version":"v5.8.3"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.2","date":"2026-03-07T09:42:46Z","type":"stable","version":"v5.8.2"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.1","date":"2026-03-05T10:10:57Z","type":"stable","version":"v5.8.1"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.8.0","date":"2026-03-05T09:33:05Z","type":"stable","version":"v5.8.0"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.7.4","date":"2026-02-02T18:23:39Z","type":"stable","version":"v5.7.4"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.7.3","date":"2026-02-02T17:57:52Z","type":"stable","version":"v5.7.3"},{"url":"https://github.com/fastify/fastify/releases/tag/v5.7.2","date":"2026-01-26T11:15:54Z","type":"stable","version":"v5.7.2"}]` | `[{"url":"https://github.com/nestjs/nest/releases/tag/v11.2.3","date":"2026-08-25T10:59:41Z","type":"stable","version":"v11.2.3"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.2.2","date":"2026-08-25T07:59:18Z","type":"stable","version":"v11.2.2"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.2.1","date":"2026-08-14T17:53:21Z","type":"stable","version":"v11.2.1"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.2.0","date":"2026-08-14T12:13:03Z","type":"stable","version":"v11.2.0"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.29","date":"2026-08-10T09:40:32Z","type":"stable","version":"v11.1.29"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.28","date":"2026-07-08T08:33:50Z","type":"stable","version":"v11.1.28"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.27","date":"2026-06-15T09:17:02Z","type":"stable","version":"v11.1.27"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.26","date":"2026-06-08T12:37:55Z","type":"stable","version":"v11.1.26"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.25","date":"2026-06-08T07:39:37Z","type":"stable","version":"v11.1.25"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.24","date":"2026-05-25T08:41:52Z","type":"stable","version":"v11.1.24"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.23","date":"2026-05-21T18:18:12Z","type":"stable","version":"v11.1.23"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.22","date":"2026-05-21T08:57:18Z","type":"stable","version":"v11.1.22"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.21","date":"2026-05-14T09:00:47Z","type":"stable","version":"v11.1.21"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.20","date":"2026-05-13T07:29:54Z","type":"stable","version":"v11.1.20"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.19","date":"2026-04-13T07:56:09Z","type":"stable","version":"v11.1.19"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.18","date":"2026-04-03T09:40:47Z","type":"stable","version":"v11.1.18"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.17","date":"2026-03-16T10:41:45Z","type":"stable","version":"v11.1.17"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.16","date":"2026-03-05T13:25:51Z","type":"stable","version":"v11.1.16"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.15","date":"2026-03-03T13:53:50Z","type":"stable","version":"v11.1.15"},{"url":"https://github.com/nestjs/nest/releases/tag/v11.1.14","date":"2026-02-17T16:26:00Z","type":"stable","version":"v11.1.14"}]` |
| security.fedramp | - | yes |
| security.scorecard | 8.3 | 7.5 |
| security.vulnerabilities | `{"count":10,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=fastify&per_page=100","last_12m":5,"max_severity":"HIGH"}` | `{"count":1,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40nestjs%2Fcommon&per_page=100","last_12m":0,"max_severity":"MODERATE"}` |

## Capabilities (Web Frameworks)

| Capability | Fastify | NestJS |
|---|:--:|:--:|
| **Core** |  |  |
| Rendering model | - | - |
| File-based routing | - | - |
| Language | JavaScript/TypeScript | TypeScript/JavaScript |
| **Rendering** |  |  |
| Server components | - | - |
| Streaming SSR | - | - |
| **Fullstack** |  |  |
| Built-in API / backend routes | ✓ | ✓ |
| **DX** |  |  |
| First-class TypeScript | ✓ | ✓ |
| Fast refresh / HMR | - | - |
| **Deployment** |  |  |
| Edge runtime support | - | - |

*Source: Vioscale. Generated 2026-09-01T20:40:27.501Z. "-" = undocumented, not absent.*