dotnetcore/FreeSql

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4406 stars · 908 forks observed · 2026-08-28

What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-29, confidence not recorded

FreeSql is a powerful Object-Relational Mapping (ORM) library for .NET, supporting .NET Core 2.1+, .NET Framework 4.0+, Xamarin, and AOT compilation. It provides CodeFirst migrations, DbFirst entity generation, rich type mapping, navigation properties, and read/write separation across a very wide range of databases including MySQL, PostgreSQL, SQL Server, Oracle, SQLite, ClickHouse, DuckDB, and many Chinese domestic databases.

Use cases

• map C# entities to database tables in a .NET application
• perform CodeFirst database migrations from entity classes
• generate entity classes from an existing database schema
• query databases with LINQ-style expression functions
• set up read/write separation and table/database splitting
• connect to Chinese domestic databases like Dameng, Kingbase, or GBase from .NET
• use an ORM in AOT-compiled .NET applications

When to choose

• you are building a .NET application that needs database access across many database engines
• you need AOT-compatible ORM support
• you require CodeFirst migrations plus DbFirst entity generation in one tool
• you work with Chinese domestic databases (Dameng, Kingbase, HighGo, GBase, etc.)

When to avoid

• your project is not on the .NET platform
• you prefer Microsoft's standard EF Core ecosystem and tooling
• you need a micro-ORM with minimal features and tiny footprint
• your team has no capacity to evaluate a community-maintained ORM over mainstream options

Facets

library · maturity active

orm database database-driver databases backend developer-tools dotnet cross-platform codefirst dbfirst mysql postgresql sqlserver oracle sqlite clickhouse duckdb aot read-write-separation sharding chinese-databases

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