Open Source Object-Relational Mapping (ORM) Software
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Object-Relational Mapping (ORM) Software
View 5922 business solutionsBrowse free open source Object-Relational Mapping (ORM) software and projects below. Use the toggles on the left to filter open source Object-Relational Mapping (ORM) software by OS, license, language, programming language, and project status.
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Hibernate
An object relational-mapping (ORM) library for Java
The Hibernate projects offer a suite of powerful Java libraries to work with data. It is best known for Hibernate ORM, which provides relational persistence for Java models and is an implementation of the Jakarta Persistence specification. Hibernate projects do not consistently release binaries or documentation to SourceForge anymore. For up-to-date information, refer to the Hibernate website: * Hibernate ORM: https://hibernate.org/orm/ * Hibernate Validator: https://hibernate.org/validator/ * Hibernate Search: https://hibernate.org/search/ That website will also be updated with newer projects, such as Hibernate Reactive. -
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Prisma
Next-generation ORM for Node.js and TypeScript
Prisma helps app developers build faster and make fewer errors with an open source ORM for PostgreSQL, MySQL and SQLite. Central to Prisma is the schema, a declarative way to define your app's data models and their relations that's human-readable. And you don't have to painstakingly create it from scratch if you already have a database - prisma introspect takes care of that. Prisma Client is a query builder that composes the way you think and gets auto-generated from the Prisma schema with types tailored to your app. We designed the API to be intuitive for both SQL veterans and people brand new to databases. Auto-completion, linting, formatting and more help Prisma developers in VSCode stay confident without distractions. Prisma Client puts extra emphasis on extensive type safety for more productive development in TypeScript. Prisma is a server-side library that helps your app read and write data to the database in an intuitive and safe way. -
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DataNucleus
Java persistence using JDO, JPA or REST
DataNucleus provides Java data persistence to a range of datastores using JDO/JPA/REST APIs. *** Note that code development is no longer on SourceForge (code on SourceForge is for versions up to 3.3.5 only) *** -
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SQL-first Golang ORM for PostgreSQL
SQL-first Golang ORM
Bun's goal is to help you write SQL, not to hide it behind awkward constructs. Bun uses database/sql and extends it in a compatible and idiomatic way. Out-of-the-box works with PostgreSQL, MySQL 5.7+, MSSQL, and SQLite. Keep your database schema updated with Go and SQL-based migrations. Provide initial data for your application with YAML fixtures. Modern app skeleton puts everything together and helps you get started. Bun is brought to you by uptrace/uptrace. Uptrace is an open-source APM tool that supports distributed tracing, metrics, and logs. You can use it to monitor applications and set up automatic alerts to receive notifications via email, Slack, Telegram, and others. -
Catch Bugs Before Your Customers DoMove from alert to fix before users notice. AppSignal monitors errors, performance bottlenecks, host health, and uptime—all from one dashboard. Instant notifications on deployments, anomaly triggers for memory spikes or error surges, and seamless log management. Works out of the box with Rails, Django, Express, Phoenix, Next.js, and dozens more. Starts at $23/month with no hidden fees.
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SmartSql
SmartSql = MyBatis in C# + .NET Core+ Cache(Memory | Redis)
SmartSql is a lightweight, high-performance ORM for .NET inspired by MyBatis. It provides a hybrid approach that separates SQL from application code while supporting dynamic queries, mapping, and caching. With XML or annotation-based configuration, SmartSql is designed to balance control and productivity for .NET developers. -
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XML Editor/Validator/Designer with CAMV
CAM XML Editor for XML+JSON+Hibernate+SQL Open-XDX sponsored by Oracle
The CAM editor is the leading open source XML Editor/Validation/Schema toolset for rapidly building / deploying XML /JSON /Hibernate /SQL data /Forms applications. Visual WYSIWYG data design, rule entry wizards + drag & drop dictionary components. Will import, analyze / refactor from XML Schema / JSON. Oracle is a proud enterprise sponsor; with NIEM.gov support. Do SQL data import/map+ Open Data API delivery+ Hibernate JPA + UI Forms/Pencil Makes XSD schema (default, flatten, NIEM, & OASIS modes) + JAXB bindings; Mindmap FreeMind or UML models(XMI); XML unit test & live SQL data; HTML docs + spreadsheets (NIEM IEPDs). Canonical component dictionaries from schema sets, SQL, JSON, ERwin XSD, or spreadsheets. The XML CAM templates (OASIS standard) store the exchange structure, content model, code lists, DBMappings, SQL lookups+business rules (XPath). Java CAMV XML/JSON validation engine is a complete exchange test framework [XMLUnit, TEAM(Schematron)]. Java/Eclipse +Saxon/XSL -
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Symfony Doctrine Bridge
Provides integration for Doctrine with various Symfony components
Symfony Doctrine Bridge is a component that integrates the powerful Doctrine ORM (Object-Relational Mapping) with the Symfony framework. It provides a seamless connection between Symfony's data handling and Doctrine's database management, allowing developers to work efficiently with database entities. The bridge handles the configuration and registration of Doctrine within Symfony applications, making it an essential tool for projects requiring robust data management. -
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Doctrine ORM
Doctrine Object Relational Mapper
Doctrine 2 is an object-relational mapper (ORM) for PHP 7.1+ that provides transparent persistence for PHP objects. It sits on top of a powerful database abstraction layer (DBAL). One of its key features is the option to write database queries in a proprietary object oriented SQL dialect called Doctrine Query Language (DQL), inspired by Hibernate's HQL. This provides developers with a powerful alternative to SQL that maintains flexibility without requiring unnecessary code duplication. As the term ORM already hints at, Doctrine ORM aims to simplify the translation between database rows and the PHP object model. The primary use case for Doctrine are therefore applications that utilize the Object-Oriented Programming Paradigm. For applications that do not primarily work with objects Doctrine ORM is not suited very well. Doctrine ORM requires a minimum of PHP 7.1. For greatly improved performance it is also recommended that you use APC with PHP. -
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Drizzle ORM
Headless TypeScript ORM with a head. Runs on Node, Bun and Deno
Drizzle ORM is a lightweight, TypeScript-first Object-Relational Mapping (ORM) tool designed for modern JavaScript runtimes. It supports environments like Node.js, Bun, Deno, and even edge runtimes, providing developers with a flexible and type-safe way to interact with databases. Drizzle ORM emphasizes performance and developer experience. -
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Peewee-async
Asynchronous interface for peewee ORM powered by asyncio
peewee-async is an async extension for the Peewee ORM, enabling non-blocking database access in asyncio-powered Python applications. It allows you to use familiar Peewee models while benefiting from asynchronous I/O, making it ideal for web applications or services that require concurrency. -
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Prisma Client Python
Prisma Client Python is an auto-generated and fully type-safe database
prisma-client-py is an auto-generated Python ORM for Prisma schema files, bringing Prisma's developer experience to Python projects. It provides a type-safe, intuitive interface for interacting with databases like PostgreSQL and MySQL. prisma-client-py is ideal for Python developers who want static typing, code completion, and seamless integration with modern backend stacks. -
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RepoDB
A hybrid ORM library for .NET.
RepoDB is an open-source .NET ORM library that bridges the gaps of micro-ORMs and full-ORMs. It helps you simplify the switch-over of when to use the BASIC and ADVANCE operations during the development. Like with any other ORMs, RepoDB does provide the preliminary methods needed for your basic operations. The good thing is, it also does provide the operations that are needed to cater your edge-cases like 2nd-Layer Cache, Tracing, Repositories, Property Handlers, and Batch/Bulk Operations. If you are to use RepoDB, your development experience is as simple as opening a connection and calling the advanced operations with a very minimal code. It is the reason that makes this library the simplest ORM to use. When you do the bulk operations, the generated value of the identity columns will be set back to the data models, just right after your execution. It is an important use-case that is/may needed by you and/or most developers. -
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peewee
A small, expressive orm, which supports postgresql, mysql and sqlite
Peewee is a simple and small ORM. It has few (but expressive) concepts, making it easy to learn and intuitive to use. Peewee will automatically infer the database table name from the name of the class. You can override the default name by specifying a table_name attribute in the inner “Meta” class (alongside the database attribute). To learn more about how Peewee generates table names, refer to the Table Names section. There are lots of field types suitable for storing various types of data. Peewee handles converting between pythonic values and those used by the database, so you can use Python types in your code without having to worry. The real strength of our database is in how it allows us to retrieve data through queries. Relational databases are excellent for making ad-hoc queries. Peewee provides a magical helper fn(), which can be used to call any SQL function. -
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LiteSQL is a codegenerator and C++ library that integrates C++ objects tightly to relational database and thus provides an object persistence layer. LiteSQL supports SQLite3, PostgreSQL, MySQL and oracle as backends.
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SQLObject
SQLObject is a Python ORM.
SQLObject is an object-relational mapper for Python. It supports MySQL, PostgreSQL, SQLite, Firebird, MaxDB/SapDB, MS SQL and Sybase. It supports Python versions back to 2.7. -
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persism
Persism is a simple no nonsence ORM.
Persism is a wood simple, auto discovery, auto configuration, and convention over configuration ORM (Object Relational Mapping) library for Java and .NET. -
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POJava is a simple, light-weight Java-based API for data processing and development. It includes an immutable DateTime object capable of parsing free-form dates in multiple languages and formats, and a variety of utilities for data transformation.
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Tentacles is a Object-Relational Mapping (ORM) written in Python. It's main concept is to manipulate stored datas as you do for python data structures.
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JAS-mine
Toolkit for agent-based & dynamic microsimulation modelling
JAS-mine is a Java platform that aims at providing a unique simulation tool for discrete-event simulations, including agent-based and microsimulation models. With the aim to develop large-scale, data-driven models, the main architectural choice of JAS-mine is to use whenever possible standard, open-source tools already available in the software development community. It has built-in utilities for communicating with an underlying relational database. In addition, the platform provides standard tools which are frequently used both in agent-based modelling and dynamic microsimulations, like design of experiments (DOE), run-time monitoring and visualization with plots and graphs (GUI), I/O communication and statistical analysis. JAS-mine source code can be found on GitHub, with the core repository at: https://github.com/jasmineRepo/JAS-mine-core and the GUI repository at: https://github.com/jasmineRepo/JAS-mine-gui -
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CCG
CCG (Crud Class Generator) is a ORM tool for .Net
The Crud Class Generator tool was developed for .Net to generate the class, which is an object model of a database table. Thanks to these created classes, many CRUD operations can be performed without writing a SQL query. *CCG is easy to use, because; it is developer-friendly *CCG is practical, because; it allows to make many crud processes without writing SQL query *CCG is fast because; The object size is very small and allowing multiple simultaneous operations to be performed by going to the database only once. Documentation: http://ccg.snazzydocs.com/ YouTube channel: https://www.youtube.com/@ccg_4dal AI Help: https://notebooklm.google.com/notebook/8fc8a1fa-6544-4f40-bf33-ee980899e28e/preview You can send your questions and suggestions to ccg4dal@gmail.com Do not hesitate to ask me any questions you may have. NOTE: To be able to use the generated classes in your project, you should download required files (CCGDataService, CCGHelper) as well. -
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Data/Document WF
Data/Document Work Flow application
Data/Document Work Flow is a set of .NET C# libraries to build simple cross-platform information system: - DataWF.Common - collections, reflections, io and networks helpers - DataWF.Data - cross RDBMS ORM - DataWF.Gui - Xwt based desktop UI - DataWF.Data.Gui - Database desktop UI - DataWF.Module.Flow - Document work flow module - DataWF.Mudule.FlowGui - Configure, create, edit, send document throw the flow Sources: https://github.com/alexandrvslv/datawf -
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QsT SQL Tools - ORM system based on Qt 4.6.0 (and higher) to improve programming databases with Qt. QST has a little functionality to make simple SELECT, INSERT, UPDATE, DELETE and EXEC queries. It uses PostgreSQL but can be ported for other language
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Analogue ORM
Analogue ORM : Data Mapper ORM for Laravel/PHP
Analogue is a flexible, easy-to-use ORM for PHP. It is a transposition of the Eloquent ORM that ships with Laravel framework using a Data Mapper pattern instead of the original Active Record approach. it overcomes some of Eloquent's architectural limitations by using a strict separation of concerns; for example, you can use Value Objects or Single-table-inheritance, which are hard/impossible to implement correctly using the native ORM. As a Laravel package, it integrates flawlessly inside the framework, and provides a more powerfull peristance layer, allowing to build enterprise-grade applications while retaining a simple and enjoyable development experience. -
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Android ORM Framework
ORM Framework for Android to store data using an SQLite Database.
Within this project, an orm framework for android is developed to store data by using an SQLite Database. -
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Ardent
Self-validating, secure and smart models for Laravel's Eloquent ORM
Self-validating, secure and smart models for Laravel's Eloquent ORM. Based on the Aware bundle for Laravel 3 by Colby Rabideau. Add laravelbook/ardent as a requirement to composer.json. You can also add the package using composer require laravelbook/ardent and later specifying the version you want (for now, dev-master is your best bet). The magic-dust-powered, wrist-friendly, one-stop solution to all your dreary input sanitization boilerplates! Puns aside, input validation functionality can quickly become tedious to write and maintain. Ardent deals away with these complexities by providing helpers for automating many repetitive tasks. Ardent is not just great for input validation, though, it will help you significantly reduce your Eloquent data model code. Ardent is particularly useful if you find yourself wearily writing very similar code time and again in multiple individual applications.
Guide to Open Source Object-Relational Mapping (ORM) Software
Open source object-relational mapping (ORM) software acts as an intermediary between data stored in database management systems and the applications that use them. This software provides a way to efficiently map objects in programming languages to database structures, while preserving their properties. It also provides programmers with an interface for interacting with databases without needing any knowledge of database query language syntax. ORM software is typically written in a scripting language such as Python, PHP, or Java and enables database access using Active Record, Data Mapper, and Unit of Work design patterns.
One advantage of using open source ORM software is that it can greatly reduce the amount of time spent writing code for complex queries. Additionally, developers no longer need to manually write SQL queries when interacting with databases; instead they can use higher-level abstractions provided by the ORM APIs to define data modeling requirements and reduce the size of the codebase required for application development or maintenance tasks. Using an ORM usually increases productivity and helps enforce uniform coding standards across development teams because most ORMs are designed around common web application frameworks such as Rails or Django. Furthermore, since the code powering ORMs is often open sourced it allows developers to easily collaborate on projects together or create new libraries that extend existing functionality beyond what’s available out-of-the box.
Overall, open source object-relational mapping (ORM) software provides many benefits like increased speed in coding complex queries, easier collaboration among different development teams working on the same project, and simplified access to databases for developers who may not have expertise in SQL query language syntaxes.
Open Source Object-Relational Mapping (ORM) Software Features
- Automated Database Schemas: ORM software automates the process of creating database schemas by mapping object-oriented classes to relational database tables. This makes it easier for developers to quickly create databases without having to manually define all database information and fields in the SQL language.
- Query Building: ORM software allows developers to quickly build queries using an object-oriented programming (OOP) syntax, reducing the need for manual SQL coding. This makes it easy for developers to query or update database records with minimal effort and time.
- Model Relationships: ORM software can easily model complex relationships between entities in an object-oriented environment, such as one-to-one, one-to-many, or many-to-many relationships. This helps keep data organized and reduces the amount of manual code that needs to be written when working with relational databases.
- Data Validation: ORM software provides built-in data validation features which allow users to validate user input before submitting any queries or updates so that only valid and consistent data is saved into the database. This ensures accuracy of information stored in the database and prevents redundant or invalid entries from being made accidentally by users.
- Caching Mechanisms: ORM software often includes caching mechanisms which help minimize the number of times a program needs to connect to the underlying database while still allowing applications access to frequently used data quickly, resulting in improved performance overall.
What Are the Different Types of Open Source Object-Relational Mapping (ORM) Software?
- Hibernate: Hibernate is an open source Java-based ORM which enables developers to map plain old Java objects (POJO) to relational tables. It is popular for its ability to access multiple relational databases with a single set of code.
- Kodo: Kodo is an open source Java-based ORM which provides object persistence and query technology for enterprise applications. It is designed to allow developers to store, retrieve, manipulate and manage data in a database system.
- iBATIS/MyBatis: iBATIS (now known as MyBatis) is an open source framework that maps accessed objects into SQL queries, enabling developers to quickly and easily create database-independent applications. MyBatis has been widely adopted due to its powerful mapping capabilities, support of advanced features such as type handlers, dynamic SQL and pagination, and easy integration into other frameworks such as Spring Framework or Grails.
- JDBC: JDBC (Java Database Connectivity) is the industry standard for connecting applications written in the Java language with data sources such as relational databases and spreadsheets. JDBC provides Object Relational Mapping technologies that enable developers to store data from any application without having any knowledge about the underlying database structure or SQL syntax used by the data source itself.
- JPA/EclipseLink: The Java Persistence API (JPA) provides a common way for persistent entities i.e., classes that are connected with specific instances of a particular type of data stored in a database using annotations or metadata from class fields throughout the application’s codebase while EclipseLink adds additional features above those provided by JPA including caching provider services, extended object-oriented query feature support, change tracking algorithms within session beans, versioning strategies and much more.
Benefits of Open Source Object-Relational Mapping (ORM) Software
- Increased Productivity: ORM tools provide developers with the ability to quickly and easily bridge the gap between their code and a relational database, allowing them to speed up the development process.
- Reduced Maintenance Costs: By abstracting away many of the complexities associated with relational databases, ORM software significantly reduces the amount of time needed for maintenance tasks. This leads to lower long-term costs and fewer headaches for developers.
- Safer Code: ORM software offers a better way of keeping your code safe from SQL injection attacks. By creating queries programmatically and relying on parameterized stored procedures, it’s much easier to prevent malicious code from being injected into your application’s database.
- Improved Performance: Many ORMs offer features such as object caching and query optimization that can drastically improve application performance without requiring any manual tweaking from developers.
- Easier Customization: Because most ORMs are written in an open source environment, they can be easily customized and adjusted according to specific needs without having to rewrite large amounts of code. This makes it simpler for developers to add new features or apply customizations as required.
Who Uses Open Source Object-Relational Mapping (ORM) Software?
- Web Developers: Those who develop websites and web applications can use ORM software to quickly create databases and maintain relationships between objects.
- Mobile Application Developers: Mobile application developers often need to store, access, and update data. They can use ORM software to organize the process, making it easier for them to develop their applications quickly.
- Small Businesses: ORMs are cost-effective solutions for small businesses that need database management but don’t have enough resources for buying proprietary database solutions.
- Data Scientists: Data scientists often need sophisticated database management features such as complex queries, data integration from multiple sources and dynamic object mapping capabilities, all of which can be easily achieved with an ORM tool.
- Database Administrators (DBAs): An ORM offers an easy way for database administrators to write code and query results using simple classes instead of tables. This makes it easier for them to manage large databases without having to manually write SQL scripts on an ad hoc basis.
- Software Engineers: Software engineers who specialize in creating distributed systems like microservices can benefit from the scalability offered by many popular ORMs such as Entity Framework or Hibernate OGM.
How Much Does Open Source Object-Relational Mapping (ORM) Software Cost?
Open source object-relational mapping (ORM) software typically does not cost anything, as it is open source. This means that the creators have chosen to make the software available to everyone without charging a fee. The ORM software can be downloaded and used for free by anyone who wishes to do so.
By using open source ORM software, developers gain access to powerful tools which they may use to efficiently and effectively design their databases. These tools include features such as automated database generation, auto-mapping of objects and relations between them, API integration with other languages or databases, many-to-many relationships for complex data sets, and more. All of these features help developers create better databases in less time than traditional methods.
The openness of this type of software also allows developers from all around the world to collaborate on projects with different technologies which support interoperability among them. This helps ensure that any changes made are shared across multiple platforms without extra costs or delays associated with proprietary solutions. Additionally, members of online developer communities often provide feedback on how to improve ORMs in order to benefit everyone involved in these collaboration efforts.
For those looking for enterprise level options at a cost but still benefit from the benefits associated with open source ORM solutions there are various commercial vendors that offer both free and paid packages with enhanced features compared to freely available ones including improved scalability, increased security measures, advanced automation abilities etc.
What Does Open Source Object-Relational Mapping (ORM) Software Integrate With?
Open source object-relational mapping (ORM) software is used to map objects from a programming language to relational database systems. This type of software can integrate with many other types of software, including web frameworks and query languages. ORM can be integrated with web frameworks such as Java Server Pages (JSP), Ruby on Rails or Django by providing the developer with the ability to access data in a relational database through their code. It also supports integration with query languages such as SQL, allowing developers to use existing queries for their applications. Finally, it provides an interface for popular development tools like Eclipse, Visual Studio and IntelliJ which makes it easier to work with databases within these tools. By providing an easily accessible interface between various programming elements and databases, ORM allows developers to create powerful data-driven applications while minimizing the effort required on their part.
Recent Trends Related to Open Source Object-Relational Mapping (ORM) Software
- Increased Adoption: More and more businesses are turning to open source ORM software to manage their databases because of its cost-effectiveness, scalability, and reliability.
- Improved Security: Open source ORM software is designed with robust security protocols to protect data from attackers.
- Support for Popular Databases: Open source ORM software supports popular database systems such as SQL Server, Oracle, PostgreSQL, MongoDB, and Hadoop.
- Increased Flexibility: Open source ORM software is highly customizable, allowing developers to tailor their applications to fit their specific needs.
- Reduced Time-to-Market: Open source ORM software reduces the time it takes to develop applications by removing many of the tedious tasks associated with database management.
- Faster Development Cycles: With open source ORM software, development cycles are faster due to the ability to quickly modify code and make changes on the fly.
- Automated Testing: Many open source ORM tools include automated testing capabilities, which reduces the amount of manual testing needed for applications.
- Greater Compatibility Across Platforms: Open source ORM software is designed to be platform-agnostic and can be used on multiple operating systems such as Windows, macOS, Linux, and Android.
Getting Started With Open Source Object-Relational Mapping (ORM) Software
Using open source object-relational mapping (ORM) software is a great way to save time and increase productivity when developing a web application or managing databases. The following steps will help users get started with using ORM software explain how users can get started with using open source object-relational mapping (ORM) software. Write in American English. Make your response long.
Getting started with open source object-relational mapping (ORM) software is easy and can be done in just a few simple steps.
The first step is to decide on which ORM framework you would like to use. Popular open source ORM frameworks include Entity Framework, NHibernate, and LinqToSQL. Each of these frameworks has its own set of pros and cons so it’s important to consider your application’s specific requirements when selecting an ORM framework. Once you’ve chosen a framework, you can download the necessary libraries from their website or through your preferred package manager.
The next step is to create or import your database schema into the ORM framework of your choice. This can be done by manually creating entities for each table in the database or by importing them from existing SQL scripts using an appropriate tool provided by the chosen ORM framework. Another option could be to use a visual designer where tables are represented as diagrams allowing users to drag and drop fields, indexes etc., making it easier to create complex schemas without having too much knowledge about databases.
