Open-source alternatives to CsvHelper

This project is a mirrored version of the MyBatis persistence framework source code, presented as a Java database integration library and SQL mapper framework. Its primary purpose is to provide a codebase featuring detailed Chinese language annotations to facilitate the study of the framework's internal architecture and design patterns. The repository focuses on Java source code analysis and framework learning. It allows users to examine the underlying implementation of the library to understand how complex software components are structured and executed. The core functionality covered inclu

protobuf-net is a binary serialization framework and .NET library that implements the Protocol Buffers specification. It functions as a schema-based serialization tool and contract-first data mapper, converting complex object graphs into a compact binary format for storage and network transmission. The library enables cross-platform data exchange and high-performance networking by reducing payload sizes and processing time. It specifically supports object hierarchy persistence, allowing the serialization and reconstruction of complex class structures that include inheritance and derived types

LearnPython is a programming tutorial consisting of a collection of practical code examples used to demonstrate Python language features and programming patterns. It serves as a comprehensive learning resource that implements core language concepts through functional code. The project provides specialized guides and samples covering several key domains. These include asynchronous network programming with event loops and coroutines, data visualization using numerical datasets for 2D and 3D plots, and web scraping for fetching content and automating login flows. It also features instructions on

pysheeet is a technical reference library providing a curated collection of code snippets and implementation patterns for advanced Python development, system integration, and high-performance computing. It serves as a comprehensive guide for implementing low-level network programming, native C extensions, and asynchronous and concurrent programming. The project provides specialized frameworks for the development and deployment of large language models, including tools for distributed GPU inference and high-performance serving. It also includes detailed patterns for high-performance computing

MessagePack-CSharp is a high-performance binary serialization library for .NET applications that converts object graphs into the MessagePack format. It functions as a C# data serialization toolkit and a polymorphic binary encoder capable of handling abstract classes and interfaces using union keys to identify concrete derived types. The library provides a binary format transcoder to transform binary data into human-readable JSON for debugging. It supports ahead-of-time formatter generation to avoid runtime overhead and implements LZ4 binary compression to reduce the size of serialized data.

Spout is a spreadsheet file processing library and multi-format generator designed for reading and writing CSV, XLSX, and ODS files. It functions as a stream-based parser that processes large spreadsheet files incrementally to avoid loading entire documents into memory. The library provides capabilities for programmatic spreadsheet generation and data extraction. It supports custom content styling, allowing for the application of fonts, backgrounds, borders, and number formats to individual cells or rows. Beyond basic file input and output, the project covers workbook manipulation through se

Gorp is a lightweight object-relational mapper for Go that binds structs to relational database tables. It functions as a relational data mapper and SQL dialect abstraction layer, automating the translation between application data and relational rows. The project provides a translation layer that generates vendor-specific SQL for PostgreSQL, MySQL, SQLite, Oracle, and SQL Server. It distinguishes itself by implementing optimistic locking via version columns to prevent concurrent update conflicts and providing a database schema generator to create tables and indexes from object definitions.

protobuf-net is a .NET library that serializes and deserializes objects using the Protocol Buffers binary format for efficient data exchange. It provides a code-first gRPC service framework, allowing developers to define service contracts directly from existing C# classes without writing separate .proto files. The library is nullable-aware, encoding null values in collections and nullable scalars using wrapper messages to distinguish null from default zero values, and includes an ahead-of-time serializer generator that compiles serializer code at build time to eliminate runtime code generati

xmltodict is a Python library that provides bidirectional serialization between XML documents and dictionaries. It functions as a parser that converts marked-up input into key-value pairs and a serialization utility that transforms dictionaries back into structured XML documents. The project includes an incremental stream processor that uses depth-based callbacks to handle large XML files while maintaining constant memory usage. It features a namespace manager for mapping prefixes and declarations, as well as a security sanitizer that blocks external entity expansion and validates element nam

Wikiextractor is a Wikipedia dump parser and dataset preprocessor designed to extract plain text and metadata from MediaWiki database dumps. It functions as a converter that transforms these archives into structured document files or line-delimited JSON objects for use in text corpora and machine learning datasets. The utility includes a MediaWiki template expander that resolves complex template placeholders into their full text representation. It also supports the isolation and extraction of specific individual pages from a full archive without requiring the processing of the entire dataset.

gofakeit is a Go library for creating realistic synthetic datasets and populating Go structs with mock information. It functions as a deterministic data generator, allowing for seedable random number generation to ensure reproducible datasets for software testing. The project distinguishes itself by providing a mock data API server that exposes generation functions as HTTP endpoints and a synthetic dataset exporter for producing files in CSV, JSON, and XML formats. It also includes a command-line interface for generating mock data directly from the terminal. The library covers a wide array o

Tika is a content analysis toolkit and Java library designed for detecting and extracting metadata and text from thousands of different file types. It functions as a universal document text extractor and metadata extraction engine, converting complex files into plain text or XHTML. The system employs a specialized MIME type detector that identifies document formats using magic bytes and metadata to determine the correct parser. It serves as an OCR integration gateway, connecting to external text recognition tools to extract content from image files. The project covers a broad range of extrac

EasyExcel is a Java processing library designed for reading and writing XLS, XLSX, and CSV files. It functions as a memory-efficient spreadsheet parser, an object-relational mapper that binds spreadsheet columns to Java class fields, and a stream-based exporter for handling high-volume data. The library distinguishes itself through a streaming model that processes large files row-by-row via listeners to prevent heap memory overflow. It also operates as a template engine, allowing the population of predefined spreadsheet files with dynamic data while preserving original layouts and styles. Br

picocli is a command line interface development framework and argument parser for JVM-based applications. It maps command line options and positional parameters to strongly typed Java methods and fields using a declarative, annotation-based model. The framework provides specific support for native image compilation, producing the reflection and resource configuration files necessary to build standalone binaries with reduced startup overhead. It further distinguishes itself with a dedicated system for generating shell autocompletion scripts and an ANSI terminal stylizer for applying colors and

Flask-SQLAlchemy is a relational database toolkit that integrates the SQLAlchemy object-relational mapper into web applications. It serves as a database session manager and schema toolkit, providing the necessary infrastructure to define data models and execute queries within a request lifecycle. The project is distinguished by its multi-database routing engine, which uses bind-keys to map different models to multiple distinct database engines. It also includes a SQL query auditing tool that captures and logs executed statements and timing data for a single request to identify performance bot

Android Lite ORM is a lightweight object-relational mapping and data persistence framework for Android that simplifies SQLite database operations. It maps Java and Kotlin objects directly to relational database tables using field annotations, eliminating the need for complex SQL statements or configuration files. The library handles data management through concise single-line operations that encapsulate transaction management and SQL generation. It supports recursive relationship mapping to persist nested object graphs and coordinates multiple distinct database file targets across internal a

MyBatis is a Java persistence framework that functions as a database query mapper and object-relational mapping tool. It decouples SQL statements from application code, allowing developers to manage database interactions by mapping Java objects to relational database records. The framework provides a centralized approach to SQL query management, enabling the use of either XML configuration files or annotations to define persistence logic. It automates the transformation of database result sets into structured objects, which eliminates the need for manual data conversion and reduces repetitive

LitePal is an object-relational mapping library and SQLite database wrapper for Android applications. It replaces raw SQL queries with a fluent interface and object mapping to simplify local data persistence and database management. The project provides a specialized system for automatically synchronizing database schemas based on model definitions to handle version updates. It also includes a storage solution for securing sensitive data through configurable field-level encryption. The library covers broad data storage and synchronization capabilities, including atomic transaction support, m

DoctrineBundle is a Symfony integration that configures and manages the Doctrine Object Relational Mapper and Database Abstraction Layer. It provides the fundamental tools required to map application objects to relational database tables and execute raw queries through a consistent programmatic interface. The project includes a database schema manager with command-line tools for synchronizing database structures with entity mappings and executing migrations. It also provides a database query debugger and activity debugging tools to track performance and execution details via a web-based inter

xorm is a relational mapper and object-relational mapping tool for Go. It translates Go structures into SQL queries and maps database rows back into native objects, providing a multi-dialect database driver that supports MySQL, PostgreSQL, SQLite, Oracle, SQL Server, and TiDB. The project features a read-write splitting manager that routes modification requests to a primary database and read requests to replicas. It includes a database schema synchronizer to automatically align table structures and indexes with application data models, as well as a fluent SQL query builder for constructing co

Hibernate ORM is a Java object-relational mapper and a full implementation of the Jakarta Persistence API. It serves as a SQL database abstraction layer that translates Java object models into relational database schemas to manage data persistence and lifecycles. The framework distinguishes itself with a multi-tenant data isolation framework for separating customer data within a single database instance. It also features a database schema generator that automatically produces and updates relational structures based on entity mappings. The system covers broad capability areas including transa

FreeSql is a .NET object-relational mapper and data access layer that translates object-oriented code into SQL for multiple relational database providers. It functions as a fluent SQL query builder and database schema synchronizer, allowing developers to align database table and index structures with entity class definitions. The framework is specifically optimized for .NET Native AOT to ensure reduced memory footprints and faster startup times. It includes a database traffic manager to distribute load through read-write splitting, dynamic table sharding, and tenant-based data isolation. Bro

Peewee is a SQL object-relational mapper and query builder that provides an object-oriented interface for mapping application classes to relational database tables. It functions as a relational database toolkit for managing schemas, executing migrations, and handling complex table relationships. The project distinguishes itself by providing an asyncio database driver for non-blocking database operations, ensuring event loop responsiveness. It also supports semi-structured data storage, allowing the storage and querying of flexible JSON documents within traditional relational database systems.

This project is a header-only C++ library that provides an object-relational mapping layer for SQLite databases. It enables developers to map native class structures directly to database tables, facilitating type-safe data persistence and retrieval without the need for raw query strings. The library distinguishes itself through the use of template-based metaprogramming, which allows for compile-time schema mapping and query construction. By utilizing a fluent interface, it translates method calls into optimized database statements, while its support for prepared statement caching minimizes pa

EntityFramework is a .NET object-relational mapper that translates application objects into database tables and rows. It functions as a query engine that converts high-level expressions into optimized SQL commands for data retrieval. The project provides a mechanism for monitoring modifications to loaded objects to synchronize application state with the database. It also includes a system for synchronizing database structures with data models using versioned migration scripts. The framework supports multi-backend database integration through a plugin system, allowing a single application to

ObjectBox Java is an embedded NoSQL object database for Java and Android that stores data objects directly without relational mapping. It functions as a native-process storage engine, allowing applications to persist plain Java or Kotlin classes as entities. The project distinguishes itself with an on-device vector database capability, utilizing HNSW indexes to perform approximate nearest neighbor searches and semantic similarity queries. It also includes a locally hosted web-based browser for visualizing data objects, schemas, and dependency diagrams. The database covers a broad range of da

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