Open-source alternatives to Jfinal

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

Nutz -- Web Framework(Mvc/Ioc/Aop/Dao/Json) for ALL Java developer

Language-Natural Persistence Layer for Java

##Objectory - object document mapper for server-side and client side Dart applications ##Update: Please consider that library as unsuppoprted and not in active developement. Current updates (>0.3.22 published to pub) are mostly suited for usage in concrete scenario of internal project.