# ASP.NET Core SignalR

- **Canonical URI:** https://www.vioscale.ai/software/asp-net-core-signalr
- **Category:** Realtime Messaging Infra
- **Homepage:** https://dotnet.microsoft.com/en-us/apps/aspnet/signalr
- **Also known as:** asp-net-core-signalr
- **Profile claimed by vendor:** no
- **Last updated:** 2026-08-26T19:27:19.247Z

## Vioscale score

**51.5 / 100**, confidence 22% (low). Computed 2026-09-01.

Composite of weighted, independently-sourced signals (no user reviews, no vendor payment).

| Signal | Score | Weight | Contribution | Evidence present |
|---|--:|--:|--:|:--:|
| capabilities | 0 | 0.07844444444444446 | 0 | - |
| repo_stars | 86.5 | 0.026 | 2.2 | ✓ |
| integrations | 22.4 | 0.07033333333333334 | 1.6 | ✓ |
| dependent_projects | 41.2 | 0.063 | 2.6 | ✓ |
| dev_activity | 63.1 | 0.094 | 5.9 | ✓ |
| release_cadence | 0 | 0.052 | 0 | - |
| security_posture | 0 | 0.073 | 0 | - |
| package_downloads | 0 | 0.136 | 0 | - |
| security_score | 68 | 0.042 | 2.9 | ✓ |
| community_qa_activity | 0 | 0.063 | 0 | - |

## Pricing

_As of 2026-08-19, [verify at source](https://dotnet.microsoft.com/en-us/apps/aspnet/signalr). Independently observed._

Open source · Free tier

## About

SignalR is an open-source library that enables ASP.NET applications to deliver real-time updates by pushing server content directly to connected clients. It supports multiple client platforms including web browsers, mobile devices, and desktop applications.

_Independently observed._

## Platform & deployment

- **Platforms:** macOS, Web, Linux, Windows
- **Deployment:** Cloud / SaaS, Self-hosted

## Integrations (5)

_Independently observed._

- Redis
- SQL Server
- Azure Service Bus
- Azure SignalR Service
- Power Apps

## Release history

| Version | Date | Type |
|---|---|---|
| [v8.0.30](https://github.com/dotnet/aspnetcore/releases/tag/v8.0.30) | 2026-08-11 | stable |
| [v9.0.19](https://github.com/dotnet/aspnetcore/releases/tag/v9.0.19) | 2026-08-11 | stable |
| [v10.0.11](https://github.com/dotnet/aspnetcore/releases/tag/v10.0.11) | 2026-08-11 | stable |
| [v8.0.29](https://github.com/dotnet/aspnetcore/releases/tag/v8.0.29) | 2026-07-14 | stable |
| [v10.0.10](https://github.com/dotnet/aspnetcore/releases/tag/v10.0.10) | 2026-07-15 | stable |
| [v9.0.18](https://github.com/dotnet/aspnetcore/releases/tag/v9.0.18) | 2026-07-15 | stable |
| [v9.0.17](https://github.com/dotnet/aspnetcore/releases/tag/v9.0.17) | 2026-06-09 | stable |
| [v8.0.28](https://github.com/dotnet/aspnetcore/releases/tag/v8.0.28) | 2026-06-09 | stable |
| [v11.0.0-preview.4](https://github.com/dotnet/aspnetcore/releases/tag/v11.0.0-preview.4) | 2026-05-12 | prerelease |
| [v10.0.9](https://github.com/dotnet/aspnetcore/releases/tag/v10.0.9) | 2026-06-09 | stable |
| [v9.0.16](https://github.com/dotnet/aspnetcore/releases/tag/v9.0.16) | 2026-05-12 | stable |
| [v8.0.27](https://github.com/dotnet/aspnetcore/releases/tag/v8.0.27) | 2026-05-12 | stable |
| [v10.0.8](https://github.com/dotnet/aspnetcore/releases/tag/v10.0.8) | 2026-05-12 | stable |
| [v10.0.6](https://github.com/dotnet/aspnetcore/releases/tag/v10.0.6) | 2026-04-20 | stable |
| [v9.0.15](https://github.com/dotnet/aspnetcore/releases/tag/v9.0.15) | 2026-04-14 | stable |

_… and 5 earlier release(s)._

## Security & compliance


Known vulnerabilities: 0 (0 in the last 12 months) ([source](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40microsoft%2Fsignalr-protocol-msgpack&per_page=100)). A count reflects scale and disclosure, not quality.

## Facts

Every value below carries its source and our confidence. Facts are re-crawled on a freshness schedule.

### activity

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| activity.commits_last_30d | 100 | [link](https://github.com/dotnet/aspnetcore/pulse) | 2026-08-26 | 65% (medium) |

### adoption

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| adoption.github_stars | 38,394 | [link](https://github.com/dotnet/aspnetcore) | 2026-08-26 | 90% (high) |
| adoption.dependent_repos | 296 | [link](https://packages.ecosyste.ms/api/v1/packages/lookup?repository_url=https%3A%2F%2Fgithub.com%2Fdotnet%2Faspnetcore) | 2026-08-26 | 85% (high) |

### language

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| language.primary | C# | [link](https://github.com/dotnet/aspnetcore) | 2026-08-26 | 90% (high) |

### license

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| license.spdx | MIT | [link](https://github.com/dotnet/aspnetcore) | 2026-08-26 | 95% (high) |

### integrations

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| integrations.count | 5 | [link](https://dotnet.microsoft.com/en-us/apps/aspnet/signalr) | 2026-08-19 | 60% (medium) |

### market

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | [link](https://dotnet.microsoft.com/en-us/apps/aspnet/signalr) | 2026-08-19 | 75% (high) |

### pricing

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| pricing.free_tier | yes | [link](https://dotnet.microsoft.com/en-us/apps/aspnet/signalr) | 2026-08-19 | 60% (medium) |
| pricing.model | open_source | [link](https://dotnet.microsoft.com/en-us/apps/aspnet/signalr) | 2026-08-19 | 60% (medium) |
| pricing.price_level | free | [link](https://dotnet.microsoft.com/en-us/apps/aspnet/signalr) | 2026-08-19 | 60% (medium) |

### reliability

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| reliability.sla_pct | 99.9 | [link](https://dotnet.microsoft.com/en-us/apps/aspnet/signalr) | 2026-08-19 | 60% (medium) |

### security

| Attribute | Value | Source | Retrieved | Confidence |
|---|---|---|---|---|
| security.scorecard | 6.8 | [link](https://api.securityscorecards.dev/projects/github.com/dotnet/aspnetcore) | 2026-08-26 | 90% (high) |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40microsoft%2Fsignalr-protocol-msgpack&per_page=100","last_12m":0,"max_severity":null}` | [link](https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40microsoft%2Fsignalr-protocol-msgpack&per_page=100) | 2026-08-26 | 90% (high) |

---
*Source: Vioscale (https://www.vioscale.ai/software/asp-net-core-signalr). Independent, evidence-based software intelligence. Cite the canonical URI.*
