# Deno Fresh vs Ruby on Rails

**Leader by vioscaleAI score:** Ruby on Rails

| Attribute | Deno Fresh | Ruby on Rails |
|---|---|---|
| **vioscaleAI score** | 42.8 (55% (medium)) | 71.8 (51% (medium)) |
| activity.commits_last_30d | 0 | 100 |
| adoption.dependent_repos | 0 | 1,358,186 |
| adoption.github_stars | 13,792 | 58,803 |
| content.faq | `[{"answer":"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. It is indexed under Web Frameworks.","source":"https://fresh.deno.dev/","question":"What is Deno Fresh?","confidence":0.6},{"answer":"Deno Fresh is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://fresh.deno.dev/","question":"Is Deno Fresh free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Deno Fresh. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://fresh.deno.dev/","question":"What platforms does Deno Fresh support?","confidence":0.6},{"answer":"Yes. Deno Fresh can be deployed cloud / SaaS, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://fresh.deno.dev/","question":"Can Deno Fresh be self-hosted?","confidence":0.6},{"answer":"Yes. Deno Fresh 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/denoland/fresh","question":"Is Deno Fresh open source?","confidence":0.95}]` | `[{"answer":"A complete web application framework for Ruby that provides integrated tools, libraries, and conventions for building database-backed web applications across the full stack—from database models to frontend templates and controllers. It is indexed under Web Frameworks.","source":"https://rubyonrails.org","question":"What is Ruby on Rails?","confidence":0.6},{"answer":"Ruby on Rails is open source, so it can be self-hosted and used at no licence cost. It is released under the MIT licence. Pricing changes often, so verify at source before relying on it.","source":"https://rubyonrails.org","question":"Is Ruby on Rails free to use?","confidence":0.6},{"answer":"Ruby on Rails supports the web and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://rubyonrails.org","question":"What platforms does Ruby on Rails support?","confidence":0.6},{"answer":"Yes. Ruby on Rails can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://rubyonrails.org","question":"Can Ruby on Rails be self-hosted?","confidence":0.6},{"answer":"Yes. Ruby on Rails 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/rails/rails","question":"Is Ruby on Rails open source?","confidence":0.95}]` |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":true}` |
| description.long | Fresh is a server-rendering web framework built on Deno that eliminates unnecessary client-side JavaScript by default, allowing developers to write interactive features as isolated 'islands' that hydrate only when required. It provides file-based routing, built-in component support, and deploys efficiently across multiple platforms including edge networks. | A full-stack framework for building web applications with integrated database modeling, templating, email handling, real-time WebSocket support, background job processing, and security features. |
| features.capabilities | `{"language":"TypeScript","rendering":"ssr","api_routes":true,"edge_runtime":true,"file_routing":true,"streaming_ssr":true,"typescript_first":true,"server_components":true}` | `{"language":"Ruby","rendering":"ssr","api_routes":true,"file_routing":true,"license_type":"MIT/BSD","orm_included":true,"cli_scaffolding":true,"language_runtime":"Ruby","typescript_first":false,"websocket_support":true,"architecture_style":"full-stack-mvc","templating_included":true,"background_jobs_included":true}` |
| language.primary | TypeScript | Ruby |
| license.spdx | MIT | MIT |
| platform.support | `{"cli":true,"web":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://fresh.deno.dev/","retrievedAt":"2026-08-13T22:58:56.007Z"}` | `{"type":"open_source","sourceUrl":"https://rubyonrails.org","retrievedAt":"2026-08-16T21:36:16.955Z"}` |
| pricing.free_tier | yes | yes |
| pricing.model | commercial | open_source |
| pricing.price_level | free | free |
| release.cadence_days | 10 | - |
| 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/rails/rails/releases/tag/v8.1.4","date":"2026-09-24T14:19:52Z","type":"stable","version":"v8.1.4"},{"url":"https://github.com/rails/rails/releases/tag/v7.2.4","date":"2026-09-24T16:28:35Z","type":"stable","version":"v7.2.4"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.3.1","date":"2026-07-29T14:59:54Z","type":"stable","version":"v8.1.3.1"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.5.1","date":"2026-07-29T15:08:22Z","type":"stable","version":"v8.0.5.1"},{"url":"https://github.com/rails/rails/releases/tag/v7.2.3.2","date":"2026-07-29T15:05:22Z","type":"stable","version":"v7.2.3.2"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.3","date":"2026-03-24T20:26:02Z","type":"stable","version":"v8.1.3"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.5","date":"2026-03-24T20:19:33Z","type":"stable","version":"v8.0.5"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.2.1","date":"2026-03-23T19:42:42Z","type":"stable","version":"v8.1.2.1"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.4.1","date":"2026-03-23T19:38:25Z","type":"stable","version":"v8.0.4.1"},{"url":"https://github.com/rails/rails/releases/tag/v7.2.3.1","date":"2026-03-23T19:32:34Z","type":"stable","version":"v7.2.3.1"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.2","date":"2026-01-08T20:17:17Z","type":"stable","version":"v8.1.2"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.1","date":"2025-10-28T23:46:29Z","type":"stable","version":"v8.1.1"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.4","date":"2025-10-28T23:43:23Z","type":"stable","version":"v8.0.4"},{"url":"https://github.com/rails/rails/releases/tag/v7.2.3","date":"2025-10-28T23:24:18Z","type":"stable","version":"v7.2.3"},{"url":"https://github.com/rails/rails/releases/tag/v7.1.6","date":"2025-10-28T23:19:19Z","type":"stable","version":"v7.1.6"},{"url":"https://github.com/rails/rails/releases/tag/v7.0.10","date":"2025-10-28T23:12:55Z","type":"stable","version":"v7.0.10"},{"url":"https://github.com/rails/rails/releases/tag/v7.0.9","date":"2025-10-28T23:02:29Z","type":"stable","version":"v7.0.9"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.0","date":"2025-10-22T00:35:05Z","type":"stable","version":"v8.1.0"},{"url":"https://github.com/rails/rails/releases/tag/v8.1.0.rc1","date":"2025-10-15T00:50:43Z","type":"prerelease","version":"v8.1.0.rc1"},{"url":"https://github.com/rails/rails/releases/tag/v8.0.3","date":"2025-09-22T22:19:48Z","type":"stable","version":"v8.0.3"}]` |
| security.disclosure_policy | - | yes |
| security.scorecard | - | 6.4 |
| security.trust_center | - | https://rubyonrails.org/security |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=deno&package_name=deno_fresh&per_page=100","last_12m":0,"max_severity":null}` | `{"count":18,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=activesupport&per_page=100","last_12m":3,"max_severity":"CRITICAL"}` |

## Capabilities (Web Frameworks)

| Capability | Deno Fresh | Ruby on Rails |
|---|:--:|:--:|
| **Core** |  |  |
| Rendering model | Server-side | Server-side |
| File-based routing | ✓ | ✓ |
| Language | TypeScript | Ruby |
| **Rendering** |  |  |
| Server components | ✓ | - |
| Streaming SSR | ✓ | - |
| **Fullstack** |  |  |
| Built-in API / backend routes | ✓ | ✓ |
| **DX** |  |  |
| First-class TypeScript | ✓ | ✗ |
| Fast refresh / HMR | - | - |
| **Deployment** |  |  |
| Edge runtime support | ✓ | - |

*Source: vioscaleAI. Generated 2026-10-16T20:12:59.698Z. "-" = undocumented, not absent.*