# ASP.NET Core vs Sinatra

**Leader by vioscaleAI score:** ASP.NET Core

| Attribute | ASP.NET Core | Sinatra |
|---|---|---|
| **vioscaleAI score** | 71.2 (76% (high)) | 48.2 (55% (medium)) |
| activity.commits_last_30d | - | 0 |
| adoption.dependent_repos | - | 144,784 |
| adoption.github_stars | - | 12,453 |
| content.faq | `[{"answer":"A framework for building web apps and services with .NET and C#. Includes Blazor for web UI development, REST APIs, real-time communication, and AI/ML capabilities. It is indexed under Web Frameworks.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet","question":"What is ASP.NET Core?","confidence":0.6},{"answer":"ASP.NET Core is open source, so it can be self-hosted and used at no licence cost. Pricing changes often, so verify at source before relying on it.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet","question":"Is ASP.NET Core free to use?","confidence":0.6},{"answer":"ASP.NET Core supports the web, Windows, macOS and Linux. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet","question":"What platforms does ASP.NET Core support?","confidence":0.6},{"answer":"Yes. ASP.NET Core can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet","question":"Can ASP.NET Core be self-hosted?","confidence":0.6},{"answer":"We have confirmed 6 integrations for ASP.NET Core, including Google, X, OpenAI, Azure, Power Apps and Power Platform. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://dotnet.microsoft.com/en-us/apps/aspnet","question":"What does ASP.NET Core integrate with?","confidence":0.6}]` | - |
| deployment.options | `{"cloud":true,"self_hosted":true}` | - |
| description.long | An open-source framework that extends the .NET platform with tools and libraries for creating modern, cloud-based web applications and services deployable across Windows, Linux, and macOS | Sinatra is a minimal web framework for Ruby that enables developers to build web applications quickly using HTTP routes, templates, and Rack middleware. It supports both modular and classic application styles with an unopinionated, blank-slate approach. |
| features.capabilities | `{"language":"C#","api_first":true,"api_routes":true,"async_model":"event-loop-async","orm_included":true,"openapi_autogen":true,"language_runtime":"C#/.NET","templating_included":true,"dependency_injection":true}` | `{"api_first":true,"language_runtime":"Ruby","architecture_style":"minimalist","templating_included":true,"testing_framework_included":true}` |
| integrations.count | 4 | - |
| integrations.list | `[{"name":"Google"},{"name":"X"},{"name":"OpenAI"},{"name":"Azure"},{"name":"Power Apps"},{"name":"Power Platform","native":true,"category":"platform","direction":"outbound"}]` | - |
| language.primary | - | Ruby |
| license.spdx | - | MIT |
| platform.support | `{"mac":true,"web":true,"linux":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"free","summary":"Free and open source","freeTier":true,"sourceUrl":"https://dotnet.microsoft.com/en-us/apps/aspnet","retrievedAt":"2026-10-05T12:44:19.114Z"}` | - |
| pricing.free_tier | yes | - |
| pricing.model | free | - |
| pricing.price_level | free | - |
| pricing.transparent | yes | - |
| security.scorecard | - | 6.3 |
| security.vulnerabilities | - | `{"count":6,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=rubygems&package_name=sinatra&per_page=100","last_12m":0,"max_severity":"HIGH"}` |

## Capabilities (Backend Frameworks)

| Capability | ASP.NET Core | Sinatra |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Language runtime | C#/.NET | Ruby |
| Architecture style | - | Minimalist |
| Async model | Event loop async | - |
| Orm included | ✓ | - |
| Templating included | ✓ | ✓ |
| Dependency injection | ✓ | - |
| CLI scaffolding | - | - |
| Openapi autogen | ✓ | - |
| Websocket support | - | - |
| Background jobs included | - | - |
| Testing framework included | - | ✓ |
| API first | ✓ | ✓ |
| Admin UI generated | - | - |
| License type | - | - |

*Source: vioscaleAI. Generated 2026-10-19T07:27:19.538Z. "-" = undocumented, not absent.*