C#

ASP.NET Core is Microsoft's open-source, cross-platform framework for building web applications, APIs, real-time services, and cloud-connected backends on .NET. It bundles MVC, minimal APIs, Razor/Blazor, SignalR, and the Kestrel web server into a single high-performance stack.

efcore is an open-source C# project with 14.7k GitHub stars. It is associated with aspnet-product, c-sharp, database, dotnet-core. The repository is actively maintained, with recent commits.

ABP is an opinionated .NET/ASP.NET Core application framework for building enterprise software, providing built-in infrastructure (event bus, background jobs, audit logging, multi-tenancy), pre-built application modules (identity, SaaS, CMS), startup templates, and tooling for DDD, modular monolith, and microservice architectures.

BootstrapBlazor is an open-source C# project in the ui components space with 4.8k GitHub stars. The repository is actively maintained, with recent commits.

A Microsoft-maintained library of Razor/Blazor UI components implementing the Fluent Design System, giving .NET 8/9 web apps the look and feel of modern Microsoft applications. It wraps Fluent UI Web Components and adds Blazor-native components like DataGrid, dialogs, toasts, and design-token customization.

radzen-blazor is an open-source C# project in the ui components space with 4.3k GitHub stars. The repository is actively maintained, with recent commits.

SqlCeToolbox is an open-source C# project with 903 GitHub stars. It is associated with entity-framework, sql-server, sql-server-compact, sqlite. The repository is actively maintained, with recent commits.

Evolve is an open-source C# project with 901 GitHub stars. It is associated with cassandra, cockroachdb, database, dotnet-tool. The repository has seen commits within the last year.