NHibernate is an object-relational mapping (ORM) solution for the Microsoft .NET platform. It provides a framework for mapping an object-oriented domain model...
Best ServiceStack OrmLite Alternatives ranked by AI · updated Aug 2026
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ServiceStack OrmLite is a typed, convention-based micro-ORM for .NET with PostgreSQL support. It targets applications that want concise strongly typed data access, schema generation, and CRUD helpers without the complexity of a full change-tracking ORM.
Developer: ServiceStack
Price: Free for eligible projects; commercial licensing available
🎯 docs.servicestack.net/ormlite
Top 6 ServiceStack OrmLite alternatives
dotConnect for PostgreSQL is a commercial ADO.NET data provider for .NET applications that connect to PostgreSQL. It adds Entity Framework support, LINQ...
Pros
- Provides database connectivity, ORM integration, and visual tooling in one commercial package
- Includes advanced PostgreSQL features beyond a basic ADO.NET provider
- Offers vendor support and documentation for enterprise development teams
Cons
- Costs substantially more than the free Npgsql ecosystem
- Vendor-specific tooling can increase application and migration lock-in
- Has a broader API surface and setup process than using Npgsql directly
Paid; perpetual and subscription licenses available
3
Dapper is a lightweight ORM for .NET that focuses on raw performance and minimal overhead.
Pros
- High performance
- Simple and efficient
Cons
- Manual mapping required
- Limited high-level features
4
linq2db
linq2db Community
linq2db is an open-source, lightweight .NET data-access framework and LINQ provider for relational databases. It targets developers who want strongly typed queries,...
Pros
- Provides more direct SQL and query-shaping control than XPO
- Supports a wide range of relational database providers
- Generally uses less tracking and abstraction overhead than full ORMs
Cons
- Provides less automatic persistence and domain modeling than XPO
- Requires more explicit data-access design for updates and unit-of-work workflows
- Smaller ecosystem and community than Entity Framework Core
Free, open source
5
Npgsql
Npgsql Team
Npgsql is the open-source .NET data provider for PostgreSQL, exposing ADO.NET APIs and PostgreSQL-specific functionality. It is used by .NET applications ranging...
Pros
- Free and open source, unlike dotConnect for PostgreSQL
- Widely adopted as the default PostgreSQL provider for modern .NET
- Tracks PostgreSQL features closely and supports asynchronous access
Cons
- Provides less integrated visual tooling than dotConnect
- Requires separate libraries for ORM features and database designers
- Raw ADO.NET usage requires more implementation work than a full ORM
6
Entity Framework Core PostgreSQL Provider
Npgsql Team
Entity Framework Core PostgreSQL Provider connects EF Core applications to PostgreSQL through Npgsql. It targets .NET teams that want LINQ queries, migrations,...
Pros
- Free and open source with first-party compatibility with the Npgsql stack
- Provides LINQ, migrations, change tracking, and code-first workflows
- Fits naturally into ASP.NET Core dependency injection and tooling
Cons
- Requires EF Core knowledge and can generate inefficient queries if misused
- Has less visual database design tooling than dotConnect
- PostgreSQL-specific features may lag direct Npgsql APIs
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