# Deno Fresh vs Fastify

**Leader by Vioscale score:** Fastify

| Attribute | Deno Fresh | Fastify |
|---|---|---|
| **Vioscale score** | 44 (69% (medium)) | 63.9 (78% (high)) |
| activity.commits_last_30d | 0 | 69 |
| adoption.dependent_repos | 0 | 16,712 |
| adoption.github_stars | 13,786 | 37,024 |
| deployment.options | `{"cloud":true,"on_prem":true,"self_hosted":true}` | `{"self_hosted":true}` |
| description.long | Fresh is a web framework that renders pages on the server by default, serving plain HTML with zero JavaScript to browsers unless you explicitly enable interactive components. It eliminates configuration files, build steps, and node_modules, using Preact-powered islands for selective client-side interactivity. | 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. |
| features.capabilities | `{"language":"TypeScript","rendering":"ssr","api_routes":true,"file_routing":true,"streaming_ssr":true,"typescript_first":true,"server_components":true}` | `{"language":"JavaScript/TypeScript","api_routes":true,"typescript_first":true}` |
| integrations.count | - | 17 |
| 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"}]` |
| language.primary | TypeScript | JavaScript |
| license.spdx | MIT | MIT |
| platform.support | `{"web":true}` | - |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://fresh.deno.dev/","retrievedAt":"2026-08-13T22:58:56.007Z"}` | `{"type":"open_source","freeTier":true,"sourceUrl":"https://fastify.dev","retrievedAt":"2026-08-16T21:34:26.497Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | commercial |
| pricing.price_level | free | free |
| release.cadence_days | 10 | 3 |
| release.history | `[{"url":"https://github.com/freshframework/fresh/releases/tag/2.3.3","date":"2026-04-28T11:38:20Z","type":"stable","version":"2.3.3"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.3.2","date":"2026-04-28T07:23:54Z","type":"stable","version":"2.3.2"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.3.1","date":"2026-04-27T16:02:21Z","type":"stable","version":"2.3.1"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.3.0","date":"2026-04-24T16:02:16Z","type":"stable","version":"2.3.0"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.2.2","date":"2026-03-28T09:05:57Z","type":"stable","version":"2.2.2"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.2.1","date":"2026-02-11T13:40:13Z","type":"prerelease","version":"2.2.1"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.2.0","date":"2025-11-18T13:11:08Z","type":"stable","version":"2.2.0"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.1.4","date":"2025-10-30T14:59:42Z","type":"stable","version":"2.1.4"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.1.3","date":"2025-10-23T11:18:04Z","type":"stable","version":"2.1.3"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.1.2","date":"2025-10-08T10:59:32Z","type":"stable","version":"2.1.2"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.1.1","date":"2025-09-19T18:30:42Z","type":"stable","version":"2.1.1"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.1.0","date":"2025-09-15T17:31:32Z","type":"stable","version":"2.1.0"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.0.2","date":"2025-09-12T17:17:46Z","type":"stable","version":"2.0.2"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.0.1","date":"2025-09-12T09:08:13Z","type":"stable","version":"2.0.1"},{"url":"https://github.com/freshframework/fresh/releases/tag/2.0.0","date":"2025-09-09T16:58:46Z","type":"stable","version":"2.0.0"},{"url":"https://github.com/freshframework/fresh/releases/tag/1.7.3","date":"2024-10-14T12:51:05Z","type":"stable","version":"1.7.3"},{"url":"https://github.com/freshframework/fresh/releases/tag/1.7.2","date":"2024-10-04T06:29:04Z","type":"stable","version":"1.7.2"},{"url":"https://github.com/freshframework/fresh/releases/tag/1.7.1","date":"2024-08-15T07:34:16Z","type":"stable","version":"1.7.1"},{"url":"https://github.com/freshframework/fresh/releases/tag/1.7.0","date":"2024-08-15T07:28:35Z","type":"stable","version":"1.7.0"},{"url":"https://github.com/freshframework/fresh/releases/tag/1.6.8","date":"2024-03-22T21:26:07Z","type":"stable","version":"1.6.8"}]` | `[{"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"}]` |
| security.scorecard | - | 8.3 |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=deno&package_name=fresh&per_page=100","last_12m":0,"max_severity":null}` | `{"count":10,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=fastify&per_page=100","last_12m":5,"max_severity":"HIGH"}` |

## Capabilities (Web Frameworks)

| Capability | Deno Fresh | Fastify |
|---|:--:|:--:|
| **Core** |  |  |
| Rendering model | Server-side | - |
| File-based routing | ✓ | - |
| Language | TypeScript | JavaScript/TypeScript |
| **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 2026-09-01T17:06:39.119Z. "-" = undocumented, not absent.*