# ASP.NET Core SignalR vs Pusher Channels

| Attribute | ASP.NET Core SignalR | Pusher Channels |
|---|---|---|
| **Vioscale score** | 51.5 (22% (low)) | 56.2 (62% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 296 | - |
| adoption.github_stars | 38,394 | - |
| deployment.options | `{"cloud":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | 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. | Pusher Channels provides cloud-based WebSocket infrastructure that allows developers to build real-time features such as live dashboards, presence awareness, and collaborative editing without managing underlying network complexity. |
| integrations.count | 5 | 2 |
| integrations.list | `[{"name":"Redis"},{"name":"SQL Server"},{"name":"Azure Service Bus"},{"name":"Azure SignalR Service"},{"name":"Power Apps"}]` | `[{"name":"Librato"},{"name":"Datadog"}]` |
| language.primary | C# | - |
| license.spdx | MIT | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"hqCountry":"GB","primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"mac":true,"web":true,"linux":true,"windows":true}` | `{"web":true}` |
| pricing | `{"type":"open_source","freeTier":true,"sourceUrl":"https://dotnet.microsoft.com/en-us/apps/aspnet/signalr","retrievedAt":"2026-08-19T23:11:59.751Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Sandbox","summary":"Free","features":["Standard support"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"200k","concurrent_connections":"100"}},{"free":false,"name":"Startup","summary":"$49/month","components":[{"kind":"fixed","amount":49,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"1 million","concurrent_connections":"500"}},{"free":false,"name":"Pro","summary":"$99/month","features":["Monitoring integrations"],"components":[{"kind":"fixed","amount":99,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"4 million"}},{"free":false,"name":"Business","summary":"$299/month","components":[{"kind":"fixed","amount":299,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"10 million"}},{"free":false,"name":"Premium","summary":"$499/month","features":["Premium support"],"components":[{"kind":"fixed","amount":499,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"20 million","concurrent_connections":"10,000"}},{"free":false,"name":"Growth","summary":"$699/month","features":["Annual price discount"],"components":[{"kind":"fixed","amount":699,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"40 million","concurrent_connections":"15,000"}},{"free":false,"name":"Plus","summary":"$899/month","components":[{"kind":"fixed","amount":899,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"60 million","concurrent_connections":"20,000"}},{"free":false,"name":"Growth Plus","summary":"$1,199/month","features":["Premium customer support"],"components":[{"kind":"fixed","amount":1199,"period":"month","currency":"USD"}],"contactSales":false,"includedLimits":{"messages_per_day":"90 million","concurrent_connections":"30,000"}},{"free":false,"name":"Enterprise","summary":"Custom pricing","features":["Custom plan","Outstanding uptime","Top-tier support"],"description":"For applications requiring 10+ million concurrent connections and 100+ billion messages","contactSales":true}],"addOns":[{"name":"Priority Support","components":[{"kind":"fixed","amount":3000,"period":"month","currency":"USD"}]}],"summary":"From $49/month for Startup plan. Free Sandbox tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://pusher.com/channels/pricing/","retrievedAt":"2026-08-19T18:23:22.878Z","startingPrice":{"amount":49,"period":"month","currency":"USD"},"billingPeriods":["month"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | open_source | freemium |
| pricing.price_level | free | mid |
| pricing.starting_price | - | `{"amount":49,"currency":"USD"}` |
| pricing.transparent | - | yes |
| release.history | `[{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.30","date":"2026-08-11T19:33:52Z","type":"stable","version":"v8.0.30"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.19","date":"2026-08-11T21:09:36Z","type":"stable","version":"v9.0.19"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.11","date":"2026-08-11T21:44:32Z","type":"stable","version":"v10.0.11"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.29","date":"2026-07-14T21:57:27Z","type":"stable","version":"v8.0.29"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.10","date":"2026-07-15T00:37:48Z","type":"stable","version":"v10.0.10"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.18","date":"2026-07-15T00:14:08Z","type":"stable","version":"v9.0.18"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.17","date":"2026-06-09T19:09:17Z","type":"stable","version":"v9.0.17"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.28","date":"2026-06-09T18:28:00Z","type":"stable","version":"v8.0.28"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v11.0.0-preview.4","date":"2026-05-12T20:57:10Z","type":"prerelease","version":"v11.0.0-preview.4"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.9","date":"2026-06-09T19:51:13Z","type":"stable","version":"v10.0.9"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.16","date":"2026-05-12T18:41:14Z","type":"stable","version":"v9.0.16"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.27","date":"2026-05-12T18:40:22Z","type":"stable","version":"v8.0.27"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.8","date":"2026-05-12T18:26:28Z","type":"stable","version":"v10.0.8"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.6","date":"2026-04-20T18:54:24Z","type":"stable","version":"v10.0.6"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.15","date":"2026-04-14T20:59:10Z","type":"stable","version":"v9.0.15"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v8.0.26","date":"2026-04-14T20:58:43Z","type":"stable","version":"v8.0.26"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v11.0.0-preview.2.26159.112","date":"2026-04-14T19:57:04Z","type":"prerelease","version":"v11.0.0-preview.2.26159.112"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v9.0.14","date":"2026-03-10T20:18:56Z","type":"stable","version":"v9.0.14"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.5","date":"2026-03-12T21:03:06Z","type":"stable","version":"v10.0.5"},{"url":"https://github.com/dotnet/aspnetcore/releases/tag/v10.0.4","date":"2026-03-10T20:21:13Z","type":"stable","version":"v10.0.4"}]` | - |
| reliability.sla_pct | 99.9 | - |
| reliability.status_page | - | yes |
| security.gdpr | - | yes |
| security.hipaa | - | yes |
| security.iso27001 | - | yes |
| security.scorecard | 6.8 | - |
| 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}` | - |

## Capabilities (Realtime Messaging Infra)

| Capability | ASP.NET Core SignalR | Pusher Channels |
|---|:--:|:--:|
| **Capabilities** |  |  |
| Presence | - | - |
| Message history replay | - | - |
| Delivery guarantee | - | - |
| Global edge network | - | - |
| Scaling model | - | - |
| Offline reconnect catchup | - | - |
| Push notification bridge | - | - |
| Auth model | - | - |
| Self hostable | - | - |
| Mqtt support | - | - |
| Deployment | - | - |
| Pricing model | - | - |

*Source: Vioscale. Generated 2026-09-01T16:49:04.619Z. "-" = undocumented, not absent.*