# C# Data Mapper ORM Libraries

> Search results for `data mapper ORM for C# and .NET` on awesome-repositories.com. 101 total matches; showing the first 50.

Explore on the web: https://awesome-repositories.com/q/data-mapper-orm-for-c-and-net

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## Results

- [doctrine/orm](https://awesome-repositories.com/repository/doctrine-orm.md) (10,172 ⭐) — Doctrine ORM is a PHP object-relational mapper that connects application objects to relational database tables. It uses the data mapper and identity map patterns to decouple the in-memory object model from the database schema, allowing developers to manage data persistence without writing manual SQL.

The project features a dedicated object-oriented query language and programmatic builder for retrieving data based on entities rather than tables. It implements a unit-of-work system to track object changes during a request and synchronize them via atomic transactions.

The capability surface inc
- [abel533/mapper](https://awesome-repositories.com/repository/abel533-mapper.md) (7,370 ⭐) — Mapper is a MyBatis-specific library that provides annotation-driven object-relational mapping, enabling single-table CRUD operations without writing SQL or XML. It uses Java reflection and field-level annotations to map entity fields to database columns, configure primary key generation strategies, and generate mapper interfaces and model classes from database schemas.

The library distinguishes itself through several practical capabilities. It includes a safe operation guard that blocks delete and update calls lacking query conditions, preventing accidental full-table modifications. Its exam
- [redis/redis](https://awesome-repositories.com/repository/redis-redis.md) (74,906 ⭐) — Redis is an in-memory, key-value database designed to provide sub-millisecond latency for read and write operations. It functions as a versatile data platform, serving as a distributed cache, a message broker, a NoSQL document store, and a vector database. The system utilizes an event-driven, single-threaded loop to process requests efficiently, while maintaining data durability through append-only persistence logs and asynchronous snapshotting mechanisms.

What distinguishes Redis is its ability to handle complex data structures—including strings, hashes, lists, sets, and sorted sets—alongsid
- [drizzle-team/drizzle-orm](https://awesome-repositories.com/repository/drizzle-team-drizzle-orm.md) (34,835 ⭐) — Drizzle ORM is a TypeScript-native database toolkit providing type-safe SQL query building, schema management, and automated migrations across PostgreSQL, MySQL, SQLite, and SingleStore.
- [dotnet/efcore](https://awesome-repositories.com/repository/dotnet-efcore.md) (14,587 ⭐) — Entity Framework Core is an object-relational mapper that enables developers to interact with database systems using strongly-typed code. It serves as a comprehensive data access framework, providing a unified interface for mapping application objects to relational and non-relational database schemas while managing the lifecycle of data operations through a central context.

The project distinguishes itself through a provider-based architecture that decouples core data access logic from specific database engines, allowing for consistent interaction across diverse storage systems. It features a
- [seaql/sea-orm](https://awesome-repositories.com/repository/seaql-sea-orm.md) (9,410 ⭐) — Sea-ORM is an asynchronous SQL object-relational mapper and database toolkit for mapping relational tables to strongly typed objects. It provides a relational database mapper for performing CRUD operations across MySQL, PostgreSQL, and SQLite, and includes a programmatic dynamic query builder for constructing complex SQL statements.

The project distinguishes itself by providing a GraphQL schema generator that transforms database entities into typed schemas with built-in pagination and filters. It also features a dedicated database migration tool for defining and applying versioned schema chan
- [aws-powertools/powertools-lambda-python](https://awesome-repositories.com/repository/aws-powertools-powertools-lambda-python.md) (3,267 ⭐) — AWS Powertools for Python is a utility framework designed for building production-ready Python functions on AWS Lambda. It provides a comprehensive suite of tools for observability, event parsing, routing, and idempotency management to streamline the development of serverless applications.

The project distinguishes itself through specialized capabilities for event-driven architectures and AI agent orchestration. It enables the implementation of AI agents by exposing functions as tools via OpenAPI schemas and managing conversation states. Additionally, it features an idempotency library that p
- [mikro-orm/mikro-orm](https://awesome-repositories.com/repository/mikro-orm-mikro-orm.md) (9,085 ⭐) — Mikro-ORM is a TypeScript-based object-relational mapping system that provides a unified persistence layer for Node.js applications. It translates TypeScript entities into relational or document-based database schemas, supporting a variety of engines including PostgreSQL, MySQL, MariaDB, MS SQL Server, SQLite, and MongoDB.

The project implements the data mapper pattern to decouple in-memory domain models from the database persistence layer. It utilizes a unit of work pattern to track entity changes in memory and commit them in a single coordinated database transaction.

The library covers com
- [typeorm/typeorm](https://awesome-repositories.com/repository/typeorm-typeorm.md) (36,540 ⭐) — TypeORM is an object-relational mapper for TypeScript and JavaScript that bridges the gap between object-oriented application code and relational database tables. It provides a comprehensive data persistence layer that allows developers to define database entities using class decorators or configuration objects, enabling seamless interaction with data through object-oriented patterns.

The project distinguishes itself through a flexible architecture that supports both the data mapper and repository patterns, alongside a fluent query builder that translates high-level method calls into platform
- [voltagent/awesome-claude-code-subagents](https://awesome-repositories.com/repository/voltagent-awesome-claude-code-subagents.md) (21,906 ⭐) — This project provides a framework for managing multi-agent systems, designed to automate complex software development, infrastructure, and business workflows. It functions as a multi-agent workflow orchestrator that routes tasks to domain-specific workers while maintaining state persistence and infrastructure automation. By leveraging large language models, the system decomposes high-level objectives into actionable plans, ensuring that complex operations are executed with consistency and reliability.

The framework distinguishes itself through its hierarchical agent registry and policy-driven
- [openorienteering/mapper](https://awesome-repositories.com/repository/openorienteering-mapper.md) (478 ⭐) — OpenOrienteering Mapper is a software for creating maps for the orienteering sport.
- [encode/orm](https://awesome-repositories.com/repository/encode-orm.md) (1,863 ⭐) — An async ORM. 🗃
- [android10/android-cleanarchitecture](https://awesome-repositories.com/repository/android10-android-cleanarchitecture.md) (15,540 ⭐) — This is a reference implementation of Uncle Bob's clean architecture for Android, structured into distinct domain, data, and presentation layers. The project demonstrates how to organize an Android application around business use cases, keeping domain logic and entities free from framework dependencies.

The architecture enforces dependency inversion through layered separation, where inner domain layers define interfaces that outer layers implement. This approach enables repository abstractions for data source switching, presenter-view separation for testable UI logic, and use-case composition
- [dapperlib/dapper](https://awesome-repositories.com/repository/dapperlib-dapper.md) (18,331 ⭐) — Dapper is a lightweight object-relational mapper for .NET that functions as a high-performance data access library. It operates by extending standard database connection interfaces, allowing developers to execute raw SQL queries while automating the mapping of database results to strongly-typed objects.

The library distinguishes itself through its use of runtime code generation, which creates high-performance instructions to map database rows to object properties with minimal overhead. It provides flexible data retrieval options, supporting both memory-buffered loading for speed and row-by-ro
- [sqlalchemy/sqlalchemy](https://awesome-repositories.com/repository/sqlalchemy-sqlalchemy.md) (11,612 ⭐) — SQLAlchemy is a comprehensive Python SQL toolkit and object-relational mapper that provides a full suite of tools for interacting with relational databases. It serves as a foundational layer for database connectivity, offering both a high-level object-oriented interface for data persistence and a programmatic SQL expression language for constructing complex, dialect-agnostic queries.

The project distinguishes itself through its sophisticated unit of work persistence, which coordinates atomic transactions and tracks object state changes to minimize redundant database operations. It provides a
- [rails/rails](https://awesome-repositories.com/repository/rails-rails.md) (58,690 ⭐) — This project is a full-stack web framework designed for building database-backed applications through a standardized architectural pattern. It provides a comprehensive suite of integrated libraries that manage the entire request-response lifecycle, from routing incoming web traffic to rendering dynamic server-side templates. By utilizing an object-relational mapping layer, the framework allows developers to define domain models that map database tables directly to application objects, simplifying data persistence, schema migrations, and complex relationship management.

The framework is distin
- [cycle/orm](https://awesome-repositories.com/repository/cycle-orm.md) (1,328 ⭐) — PHP DataMapper, ORM
- [protocolbuffers/protobuf](https://awesome-repositories.com/repository/protocolbuffers-protobuf.md) (71,359 ⭐) — Protocol Buffers is a language-neutral, platform-agnostic mechanism for serializing structured data. It provides a schema-driven toolchain that compiles declarative data definitions into type-safe source code, enabling consistent communication and strongly typed API contracts across services written in different programming languages.

The project distinguishes itself through a highly efficient binary wire format that utilizes tag-based encoding and variable-width integer compression to minimize payload size and processing overhead. It supports robust evolutionary schema management, allowing d
- [xkcoding/spring-boot-demo](https://awesome-repositories.com/repository/xkcoding-spring-boot-demo.md) (34,101 ⭐) — This project is a comprehensive reference collection of practical implementation examples and patterns for building applications with Spring Boot. It serves as a Java web application template and a showcase for developing functional web services featuring REST endpoints, template engines, and global exception handling.

The repository distinguishes itself by providing detailed demonstrations of enterprise-grade features, including distributed locking, task scheduling, and asynchronous message exchange using brokers like RabbitMQ. It also includes reference implementations for automated API doc
- [mirage/orm](https://awesome-repositories.com/repository/mirage-orm.md) (64 ⭐) — Object Relational Mapper extension
- [atlasphp/atlas.orm](https://awesome-repositories.com/repository/atlasphp-atlas-orm.md) (429 ⭐) — A data mapper implementation for your persistence model in PHP.
- [othmanadi/planning-with-files](https://awesome-repositories.com/repository/othmanadi-planning-with-files.md) (14,139 ⭐) — Planning with files is an enterprise knowledge graph platform designed to transform unstructured organizational data into a searchable, interconnected network. By utilizing a graph-based retrieval-augmented generation engine, the system grounds language model outputs in verified internal data, ensuring that responses are explainable, traceable, and free from hallucinations.

The platform distinguishes itself through a focus on data sovereignty and secure, private infrastructure deployment. It enables organizations to maintain full control over sensitive information by processing data locally o
- [laravel/laravel](https://awesome-repositories.com/repository/laravel-laravel.md) (84,489 ⭐) — Laravel is a comprehensive full-stack web framework designed for building scalable server-side applications. It provides an integrated development environment that centers on an object-relational mapper for database abstraction, a robust routing system, and a sophisticated service container for dependency injection. The framework is built to handle complex application requirements through a modular architecture that emphasizes convention over configuration.

What distinguishes Laravel is its deep integration of background processing and event-driven communication. It features a task queue orch
- [laravel-doctrine/orm](https://awesome-repositories.com/repository/laravel-doctrine-orm.md) (838 ⭐) — An integration library for Laravel and Doctrine ORM
- [prisma/prisma](https://awesome-repositories.com/repository/prisma-prisma.md) (46,366 ⭐) — Prisma is a database toolkit that provides a unified access layer for interacting with relational and document databases. It centers on a declarative schema modeling approach, where developers define their data structures in a human-readable language. This schema serves as the single source of truth, from which the toolkit automatically generates type-safe database clients that provide compile-time validation and editor autocomplete for all data operations.

The project distinguishes itself through a high-performance, Rust-based query engine that handles query planning and connection pooling o
- [nocodb/nocodb](https://awesome-repositories.com/repository/nocodb-nocodb.md) (63,466 ⭐) — NocoDB is a visual platform that transforms relational databases into collaborative, spreadsheet-style workspaces. By acting as a headless database backend, it provides a unified environment for designing database structures, managing record relationships, and interacting with data without requiring manual SQL queries. The platform normalizes interactions across various SQL and NoSQL data sources, allowing users to manage complex datasets through a centralized interface.

The project distinguishes itself by automatically generating RESTful and GraphQL APIs from existing database schemas, enabl
- [ok-oldking/ok-wuthering-waves](https://awesome-repositories.com/repository/ok-oldking-ok-wuthering-waves.md) (5,388 ⭐) — This is an open-source automation tool for the game Wuthering Waves that uses image recognition to control gameplay without modifying game memory or files. It runs automation tasks while the game window is minimized or obscured, freeing the computer for other use, and accepts command-line arguments to start specific tasks and optionally exit after completion.

The tool automatically detects playable characters through screen analysis and adapts actions without manual skill configuration. It supports all common 16:9 resolutions up to 4K as well as some ultrawide formats, with a minimum required
- [redis/hiredis](https://awesome-repositories.com/repository/redis-hiredis.md) (6,655 ⭐) — Hiredis is a minimalistic C client library designed to send commands and receive responses from Redis servers using a binary-safe protocol. It functions as a core toolkit providing a Redis protocol parser, a secure connector, and both synchronous and asynchronous driver interfaces.

The library distinguishes itself through a decoupled protocol parser that converts raw byte streams into structured data objects independently of the network transport layer. It supports high-performance pipelining to batch multiple commands into a single network round-trip and provides a secure networking layer fo
- [riok/mapperly](https://awesome-repositories.com/repository/riok-mapperly.md) (4,100 ⭐) — A .NET source generator for generating object mappings. No runtime reflection.
- [cakephp/orm](https://awesome-repositories.com/repository/cakephp-orm.md) (149 ⭐) — [READ-ONLY] A flexible, lightweight and powerful Object-Relational Mapper for PHP, implemented using the DataMapper pattern. This repo is a split of the main code that can be found in https://github.com/cakephp/cakephp
- [jindaxiang/akshare](https://awesome-repositories.com/repository/jindaxiang-akshare.md) (20,435 ⭐) — AkShare is a Python financial data library and programmatic interface designed for fetching real-time and historical stock, currency, and economic market data. It serves as a quantitative data acquisition tool for gathering the large-scale financial datasets required for economic research and quantitative analysis.

The library provides a unified interface to retrieve datasets from various official and commercial providers, removing the need to write custom scrapers for individual financial sources. It maps standardized function calls to diverse third-party sources to normalize varying respons
- [go-pg/pg](https://awesome-repositories.com/repository/go-pg-pg.md) (5,785 ⭐) — pg is a PostgreSQL object-relational mapper (ORM) for Go that maps Go structs to database tables and provides a fluent query builder for constructing SQL statements programmatically. At its core, it automatically generates CREATE TABLE statements from Go struct definitions using struct tags and naming conventions, and builds queries through method chaining with placeholder-based parameter binding to prevent SQL injection.

The library distinguishes itself through relation-aware join generation that automatically constructs JOIN clauses for has-one, has-many, many-to-many, and polymorphic assoc
- [psf/requests](https://awesome-repositories.com/repository/psf-requests.md) (54,044 ⭐) — Requests is a high-level HTTP client library designed to simplify web communication and API integration. It provides an intuitive, human-readable interface for performing standard network operations, including request execution, connection pooling, and stateful session management. By encapsulating raw network data into structured objects, the library automates the complexities of headers, cookies, and payload transmission.

The library distinguishes itself through a modular transport adapter layer that allows for custom protocol handling and extensible authentication hooks. It supports a wide
- [danieleteti/delphi-orm](https://awesome-repositories.com/repository/danieleteti-delphi-orm.md) (175 ⭐) — Delphi ORM (DORM for short) is a powerful ORM for Delphi. It is quite robust and tested because used since 2010 in production for many business critical systems.
- [greenrobot/eventbus](https://awesome-repositories.com/repository/greenrobot-eventbus.md) (24,760 ⭐) — EventBus is a publish-subscribe messaging library designed to facilitate decoupled communication between components in Java applications. It functions as a central hub where producers dispatch events that are routed to subscribers based on the class type of the payload. By using annotation-based markers, the system maps event handlers to specific data types, allowing different parts of an application to exchange information without requiring direct references between classes.

The library distinguishes itself through a focus on performance and execution control. It utilizes a compile-time inde
- [tortoise/tortoise-orm](https://awesome-repositories.com/repository/tortoise-tortoise-orm.md) (5,582 ⭐) — Familiar asyncio ORM for python, built with relations in mind
- [alecthomas/kong](https://awesome-repositories.com/repository/alecthomas-kong.md) (2,976 ⭐) — Kong is a declarative command line interface framework and parser for Go. It maps flags and positional arguments directly into typed Go structures using struct tags, allowing developers to define terminal interfaces through data models rather than manual parsing logic.

The project functions as a configuration mapper that populates Go structures from a combination of command-line arguments, environment variables, and JSON files. It distinguishes itself by providing a dependency injection container to pass external services into command handlers and a plugin architecture for dynamic command reg
- [macrozheng/mall](https://awesome-repositories.com/repository/macrozheng-mall.md) (83,878 ⭐) — This project is an enterprise-grade Java framework designed for building scalable, full-stack e-commerce applications. It provides a comprehensive foundation for microservice-based distributed architectures, enabling the development of complex retail platforms that include product management, order processing, and secure user authentication. By leveraging modular service patterns and centralized API gateways, the framework supports the construction of resilient systems that decompose monolithic business logic into independent, manageable services.

The platform distinguishes itself through a r
- [tommikaikkonen/redux-orm](https://awesome-repositories.com/repository/tommikaikkonen-redux-orm.md) (2,932 ⭐) — ``bash npm install redux-orm --save ``
- [xingshaocheng/architect-awesome](https://awesome-repositories.com/repository/xingshaocheng-architect-awesome.md) (60,821 ⭐) — This project serves as a comprehensive knowledge base and reference for distributed systems engineering and enterprise software architecture. It provides a structured collection of technical resources, design patterns, and methodologies intended to assist in the design, maintenance, and scaling of complex, high-performance software environments.

The repository distinguishes itself by offering deep dives into core architectural concepts such as actor-based concurrency, aspect-oriented interception, and inversion-of-control containers. It emphasizes the practical application of distributed syst
- [quozd/awesome-dotnet](https://awesome-repositories.com/repository/quozd-awesome-dotnet.md) (21,410 ⭐) — This project serves as a comprehensive, community-driven directory for the .NET ecosystem. It functions as a curated index of high-quality libraries, frameworks, and tools designed to assist developers in identifying recommended solutions for a wide range of project requirements and software engineering tasks.

The repository distinguishes itself by providing a categorized catalogue that simplifies the discovery of resources across the entire .NET development lifecycle. By maintaining a standardized collection of community-contributed utilities, it helps developers navigate the ecosystem to fi
- [pocketbase/pocketbase](https://awesome-repositories.com/repository/pocketbase-pocketbase.md) (59,120 ⭐) — Pocketbase is a backend-as-a-service platform that provides a self-contained, single-binary server for building full-stack applications. It integrates a relational database, authentication, and file storage into one executable process, eliminating the need for external infrastructure or complex server management.

The platform distinguishes itself through an embedded database engine that runs directly within the application process and a reactive communication layer that pushes live updates to connected clients. By monitoring internal transaction logs, it synchronizes data across multiple user
- [datasonnet/datasonnet-mapper](https://awesome-repositories.com/repository/datasonnet-datasonnet-mapper.md) (37 ⭐) — https://datasonnet.github.io/datasonnet-mapper/datasonnet/latest/index.html
- [hehonghui/android-tech-frontier](https://awesome-repositories.com/repository/hehonghui-android-tech-frontier.md) (10,612 ⭐) — Android Tech Frontier is a project that periodically translates high-quality English Android development articles into Chinese for the developer community. Its core identity is as a translation pipeline that covers topics including Android internals, open-source libraries, software architecture, and testing methodologies.

The project distinguishes itself by providing Chinese translations of technical content that spans Android view hierarchy analysis, HTTP request execution patterns, proxy creation techniques, and image loading configuration. It also covers UI layout solutions such as nesting
- [django/django](https://awesome-repositories.com/repository/django-django.md) (87,878 ⭐) — Django is a full-stack web framework designed for rapid backend development. It provides an integrated environment for building data-driven applications by combining an object-relational mapping layer for database management with a modular request-response pipeline for handling HTTP traffic. The framework emphasizes security and maintainability, offering a suite of tools to protect against common web vulnerabilities while decoupling site structure from implementation through a centralized URL routing system.

A defining characteristic of the framework is its ability to generate production-read
- [nreco/data](https://awesome-repositories.com/repository/nreco-data.md) (194 ⭐) — Fast DB-independent DAL for .NET Core:  abstract queries, SQL commands builder, schema-less data access, POCO mapping (micro-ORM).
- [redis/go-redis](https://awesome-repositories.com/repository/redis-go-redis.md) (22,159 ⭐) — This project is a feature-rich Go client library designed for interacting with Redis. It serves as a comprehensive interface for managing remote data stores, enabling developers to execute standard database commands, handle complex data structures, and perform asynchronous operations within Go applications.

The library distinguishes itself through its support for advanced Redis capabilities, including connection pooling, pipelining, and transactional integrity. It provides specialized primitives for managing distributed clusters, including automated topology updates and request routing to sha
- [gin-gonic/gin](https://awesome-repositories.com/repository/gin-gonic-gin.md) (88,694 ⭐) — Gin is a web framework designed for building high-performance web services and APIs. It functions as a middleware-oriented engine that processes incoming HTTP requests through a sequential chain of handlers, allowing for the modular management of cross-cutting concerns such as authentication and logging.

The framework utilizes a radix tree data structure to perform request routing, ensuring high-speed path matching with minimal memory overhead. It distinguishes itself by employing a zero-reflection dispatch mechanism that invokes handler functions through static type assertions, avoiding the
- [pubkey/rxdb](https://awesome-repositories.com/repository/pubkey-rxdb.md) (23,048 ⭐) — This project is a reactive, offline-first NoSQL database engine designed for JavaScript applications. It provides a robust framework for managing application state by synchronizing data across browsers, mobile devices, and server-side runtimes. By treating local storage as the primary source of truth, it enables applications to remain functional without network connectivity, automatically reconciling changes with remote backends once a connection is restored.

The database distinguishes itself through a modular architecture that supports cross-environment synchronization and high-performance d
- [spider-gazelle/rethinkdb-orm](https://awesome-repositories.com/repository/spider-gazelle-rethinkdb-orm.md) (24 ⭐) — RethinkDB ORM for Crystal lang