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SapphireDb Server, a self-hosted, easy to use realtime database for Asp.Net Core and EF Core
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SapphireDb - Server for Asp.Net Core Build Status

SapphireDb logo

SapphireDb is a self-hosted, easy to use realtime database for Asp.Net Core and EF Core.

It creates a generic API you can easily use with different clients to effortlessly create applications with realtime data synchronization. SapphireDb should serve as a self hosted alternative to firebase realtime database and firestore on top of .Net.

Check out the documentation for more details: Documentation


  • 🔧 Dead simple configuration
  • 📡 Broad technology support
  • 💻 Self hosted
  • 💾 Easy to use CRUD operations
  • ⚡️ Model validation
  • ✔️ Database support
  • 📂 Supports joins/includes
  • Complex server evaluated queries
  • 🔌 Actions
  • 🔑 Authorization included
  • ✉️ Messaging
  • 🌐 Scalable

Learn more


Install package

To install the package execute the following command in your package manager console

PM> Install-Package SapphireDb

You can also install the extension using Nuget package manager. The project can be found here:

Configure DbContext

You now have to change your DbContext to derive from SapphireDbContext. Also make sure to adjust the constructor parameters.

// Change DbContext to SapphireDbContext
public class MyDbContext : SapphireDbContext
  //Add SapphireDatabaseNotifier for DI
  public MyDbContext(DbContextOptions<MyDbContext> options, SapphireDatabaseNotifier notifier) : base(options, notifier)


  public DbSet<User> Users { get; set; }

  public DbSet<Test> Tests { get; set; }

Register services and update pipeline

To use the SapphireDb you also have to make some changes in your Startup.cs-File.

public class Startup
  public void ConfigureServices(IServiceCollection services)
    //Register services
      .AddContext<MyDbContext>(cfg => ...);

  public void Configure(IApplicationBuilder app)
    //Add Middleware



AspNet Core Example


React Example

Svelte Example

NodeJs Example

Angular Example


Check out the documentation for more details: Documentation



SapphireDb - Server for Asp.Net Core


sapphiredb - JS client (JS, NodeJs, React, Svelte, ...)

ng-sapphiredb - Angular client


Morris Janatzek (morrisjdev)


SapphireDb - MIT License

sapphiredb-js - MIT License

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