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Top 23 Java ORM Projects
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Stream
Stream - Scalable APIs for Chat, Feeds, Moderation, & Video. Stream helps developers build engaging apps that scale to millions with performant and flexible Chat, Feeds, Moderation, and Video APIs and SDKs powered by a global edge network and enterprise-grade infrastructure.
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APIJSON
🏆 实时 零代码、全功能、强安全 ORM 库 🚀 后端接口和文档零代码，前端(客户端) 定制返回 JSON 的数据和结构 🏆 Real-Time coding-free, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and the returned JSON of API can be customized by Frontend(Client) users
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> How? Stored procedures?
Not neccesarily. jOOQ[1] and sqlc[2] are great options if you don't like stored procedures, but for a small app or a prototype, you could also just have plain SQL strings in your app.
My point isn't that the code has to be stored in the database, but rather that the processing happens in one place where your data is stored and your middle tier just gets the results. Pure, stateless data. This means you don't have to synchronise shared mutable state between your app and your DB server, cutting out all the headaches of ORMs, such as having to specify your data model in two separate places, n+1 queries, locking, caching, and optimistic concurrency control.
SQL also provides a declarative approach to defining your business logic. You define the 'what', not the 'how'. In addition to greater productivity, the programming model is much simpler because you aren't complecting control flow with data flow.
> How do you version that code
You put it into your VCS. SQL is part of your code base, you can and should version control it just like any Python, Ruby or Java code. When using stored procedures, I recommend putting them in a separate schema, so that the schema can be dropped and recreated in a single transaction during deployment.
> how do you reason with the business logic split all over the DB and code
There is no split. The core business logic is in SQL, with your middle tier doing the plumbing, orchestration of external services and presentation. You separate your concerns instead of mixing them.
[1] https://www.jooq.org/
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For years, Hibernate ORM has been one of the most popular frameworks in the Java ecosystem. It was built to simplify data persistence by letting developers work with Java objects instead of SQL statements, a technique known as object-relational mapping (ORM).
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InfluxDB
InfluxDB – Built for High-Performance Time Series Workloads. InfluxDB 3 OSS is now GA. Transform, enrich, and act on time series data directly in the database. Automate critical tasks and eliminate the need to move data externally. Download now.
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- Project mention: 🍃Are You Making These Mistakes in Spring Boot Testing? Best Practices You Need to Know! 🍃 | dev.to | 2025-04-02
🔗 Want to know more? Check out Spring Data JPA documentation.
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afinal
Afinal是一个android的ioc，orm框架，内置了四大模块功能：FinalAcitivity,FinalBitmap,FinalDb,FinalHttp。通过finalActivity，我们可以通过注解的方式进行绑定ui和事件。通过finalBitmap，我们可以方便的加载bitmap图片，而无需考虑oom等问题。通过finalDB模块，我们一行代码就可以对android的sqlite数据库进行增删改查。通过FinalHttp模块，我们可以以ajax形式请求http数据。详情请通过以下网址查看。
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android-sqlite-asset-helper
An Android helper class to manage database creation and version management using an application's raw asset files
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morphia
MongoDB object-document mapper in Java based on https://github.com/mongodb/mongo-java-driver
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SaaSHub
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NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).
Java ORM discussion
Java ORM related posts
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Getting Started With Hibernate ORM and MongoDB
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easy-query: The Entity Framework Core for Java Developers
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easy-query: A Modern, Type-Safe ORM for Java That Actually Makes Sense
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A simplified definition of an ORM
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How to Make Websites That Will Require Lots of Your Time and Energy
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A Lisp adventure on the calm waters of the dead C (2021)
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🍃Are You Making These Mistakes in Spring Boot Testing? Best Practices You Need to Know! 🍃
- A note from our sponsor - SaaSHub www.saashub.com | 23 Dec 2025
Index
What are some of the best open-source ORM projects in Java? This list will help you:
| # | Project | Stars |
|---|---|---|
| 1 | MyBatis | 20,325 |
| 2 | APIJSON | 18,365 |
| 3 | mybatis-plus | 17,250 |
| 4 | greenDAO | 12,625 |
| 5 | LitePal | 8,095 |
| 6 | jOOQ | 6,607 |
| 7 | Hibernate | 6,373 |
| 8 | ActiveAndroid | 4,676 |
| 9 | Spring Data JPA | 3,215 |
| 10 | afinal | 3,145 |
| 11 | requery | 3,121 |
| 12 | android-database-sqlcipher | 2,808 |
| 13 | sugar | 2,617 |
| 14 | mybatis-flex | 2,485 |
| 15 | android-sqlite-asset-helper | 2,212 |
| 16 | Speedment | 2,097 |
| 17 | zfoo | 1,964 |
| 18 | sqli | 1,890 |
| 19 | morphia | 1,677 |
| 20 | ormlite | 1,587 |
| 21 | jimmer | 1,589 |
| 22 | Ebean ORM | 1,512 |
| 23 | mybatis-plus-join | 1,455 |
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