ASP.NET Core SignalR
A library that enables real-time bidirectional communication between servers and connected clients in ASP.NET Core applications
- Also known as
- asp-net-core-signalr
Available worldwide
What is ASP.NET Core SignalR?
An ASP.NET Core library that allows server-side code to transmit updates to connected clients instantly. It provides client implementations for .NET, Java, and TypeScript/JavaScript, making it straightforward to build applications with live data synchronization.
ASP.NET Core SignalR pricing
We don't have ASP.NET Core SignalR's full plan breakdown yet (its pricing page resisted automated reading). Here's what we could confirm. Always check live pricing for exact numbers.
What ASP.NET Core SignalR does
The capabilities that matter for realtime messaging infra, normalised so it lines up with every alternative. “-” means we haven't confirmed it, not that it's missing.
- Presence
- -
- Message history replay
- -
- Delivery guarantee
- -
- Global edge network
- -
- Scaling model
- External adapter required
- Offline reconnect catchup
- -
- Push notification bridge
- -
- Auth model
- Token/JWT
- Self hostable
- ✓
- Mqtt support
- -
- Deployment
- Hybrid
- Pricing model
- -
Platform & deployment
Independently observed- Web
- Cloud / SaaS
- Self-hosted
Integrations (5)
Independently observed- Redis
- SQL Server
- Azure Service Bus
- Azure SignalR Service
- Power Apps
Security & compliance
Known vulnerabilities: 4 (0 in the last 12 months), max severity HIGH sourcea count reflects scale & disclosure, not quality
ASP.NET Core SignalR FAQ
Common questions about ASP.NET Core SignalR, answered from independent, dated evidence.
What is ASP.NET Core SignalR?
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. It is indexed under Realtime Messaging Infra.
Source: https://dotnet.microsoft.com/en-us/apps/aspnet/signalr
Is ASP.NET Core SignalR free to use?
ASP.NET Core SignalR 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://dotnet.microsoft.com/en-us/apps/aspnet/signalr
What platforms does ASP.NET Core SignalR support?
ASP.NET Core SignalR 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/signalr
Can ASP.NET Core SignalR be self-hosted?
Yes. ASP.NET Core SignalR can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.
Source: https://dotnet.microsoft.com/en-us/apps/aspnet/signalr
What does ASP.NET Core SignalR integrate with?
We have confirmed 5 integrations for ASP.NET Core SignalR, including Redis, SQL Server, Azure Service Bus, Azure SignalR Service and Power Apps. 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/signalr
Is ASP.NET Core SignalR open source?
Yes. ASP.NET Core SignalR 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.
ASP.NET Core SignalR alternatives
Other realtime messaging infra we track, ranked by the same independent score.
- PubNubA cloud-based real-time messaging platform that unifies pub/sub messaging with presence, message history, and serverless functions on a global networkmedium · 61%
- AblyManaged realtime infrastructure for interactive applicationsmedium · 73%
- EMQXmedium · 74%
- Supabase RealtimeReal-time database change notifications via WebSocketslow · 32%
- HiveMQAn enterprise MQTT platform that streams industrial data reliably across cloud, edge, and on-premises infrastructure to enable real-time operational intelligenchigh · 75%
- Pusher ChannelsAPIs for real-time messaging and collaborative features between applicationsmedium · 61%
Compare ASP.NET Core SignalR
Side by side against other realtime messaging infra, attribute by attribute, with a source on every value.
The vioscaleAI score: one lens on the evidence
Not user reviews and not a paid placement: a confidence-weighted blend of the independent signals below (adoption, activity, security posture, and more), which you can sort and re-weight yourself. Vendors can correct their listing but can never move their rank, and stars are weighted low as a vanity metric. It is one way to read the evidence for ASP.NET Core SignalR, not the verdict.
| Signal | Score | Weight | Contribution | Evidence |
|---|---|---|---|---|
| Development activity | 63 | 0.09 | 5.9 | ✓ |
| Security score | 67 | 0.04 | 2.8 | ✓ |
| Stars | 87 | 0.03 | 2.2 | ✓ |
| Capabilities | 29 | 0.06 | 1.8 | ✓ |
| Integrations | 22 | 0.07 | 1.6 | ✓ |
| Dependent projects | 24 | 0.06 | 1.5 | ✓ |
| Release cadence | 0 | 0.05 | 0.0 | - |
| Security posture | 0 | 0.12 | 0.0 | - |
| Package downloads | 0 | 0.14 | 0.0 | - |
| Developer Q&A activity | 0 | 0.06 | 0.0 | - |
Computed . Re-weight it by intent, or see the full method.
All data & sourcesshow ↓
Every value we hold, with its source, retrieval date, and confidence. This is the evidence behind the score: don't trust it, verify it.
Activity
| Attribute | Value | Evidence |
|---|---|---|
| Commits last 30d | 100 | mediumsource · 2026-10-14 · 65% |
Adoption
Content
| Attribute | Value | Evidence |
|---|---|---|
| Faq | 6 items | mediumsource · 2026-09-10 · 66% |
Features
| Attribute | Value | Evidence |
|---|---|---|
| Capabilities | Auth model: token/JWT · Deployment: hybrid · Scaling model: external-adapter-required · Self hostable: Yes | mediumsource · 2026-09-13 · 60% |
Integrations
| Attribute | Value | Evidence |
|---|---|---|
| Count | 5 | mediumsource · 2026-08-19 · 60% |
Language
| Attribute | Value | Evidence |
|---|---|---|
| Primary | C# | highsource · 2026-10-14 · 90% |
License
| Attribute | Value | Evidence |
|---|---|---|
| Spdx | MIT | highsource · 2026-10-14 · 95% |
Market
| Attribute | Value | Evidence |
|---|---|---|
| Availability | PrimaryMarkets: … · AvailabilityScope: global · AvailableCountries: … · NotAvailableCountries: … | highsource · 2026-08-19 · 75% |
Pricing
Release
| Attribute | Value | Evidence |
|---|---|---|
| History | 20 items | mediumsource · 2026-10-14 · 70% |
Reliability
| Attribute | Value | Evidence |
|---|---|---|
| Sla pct | 99.9 | mediumsource · 2026-09-13 · 60% |
Security
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