Java ORM alternative to MyBatis & Hibernate: JPA-style CRUD + SQL-first queries. Dynamic conditions without <if> blocks; one SQL across 25 databases (auto dialect & function adaptation); self-optimizing pagination; cache translate (no dictionary JOINs); race-proof updateFetch ledgers; sharding, multi-tenancy, data masking. In production since 2008.
The Microsoft JDBC Driver for SQL Server is a Type 4 JDBC driver that provides database connectivity with SQL Server through the standard JDBC application program interfaces (APIs).
Apache OFBiz is an open source product for the automation of enterprise processes. It includes framework components and business applications for ERP, CRM, E-Business/E-Commerce, Supply Chain Management and Manufacturing Resource Planning. OFBiz provides a foundation and starting point for reliable, secure and scalable enterprise solutions.
Postgresql R2DBC Driver
Apache Phoenix
Eloquent ORM for Java 8, 11, 17, 21, 23 and Spring boot 2.x , 3.x
Ontop is a platform to query relational databases as Virtual RDF Knowledge Graphs using SPARQL
An efficient storage and compute engine for both on-prem and cloud-native data analytics.
NoSQL embedded document store for Java
MariaDB Embedded in Java JAR
A backend for web, mobile, AI and IoT apps. Built on MongoDB
The best authentication plugin for the Bukkit/Spigot API!
Java API for GeoIP2 webservice client and database reader
ATTENTION: This repository is a clone of https://gitlab.structr.com/structr/structr. All development/issue tracking has moved there. | Structr is an integrated open-source low-code development and runtime environment that uses a graph database (Neo4j).
Provide listener framework for JDBC interactions and query executions via proxy.
BaseX Main Repository.
A relational database with SQL support built on FoundationDB
A cluster consistency platform
Universal HTAP Engine
a online Marketplace for coffee retail (Backend)
REST version of the Spring Petclinic sample application
🔥🔥🔥 Turn AI-written code into real apps. Nubase is an open-source, AI-native backend platform for AI Coding, agentic applications, and modern product teams: Memory, Database, Storage, and Auth in one self-hostable service.
Firebase Admin Java SDK
ORCID Open Source Project
⚡️ Firebase plugins for Capacitor. Supports Android, iOS and the Web.
DAO oriented database mapping framework for Java
ReplicaDB is open source tool for database replication, designed for efficiently transferring bulk data between relational and non-relational databases
Jync 捷同 - 极简、极速的异构数据库实时同步工具。单 JAR 部署,无需 Kafka/Zookeeper,零外部依赖。支持 MySQL、Oracle、PostgreSQL 及众多信创数据库。内置 DDL 自动同步、幂等 upsert、断点续传,内网离线可用。沐编程 (QQMu) 出品 | 官网: https://jync.qqmu.com
⚡ In-Memory Vector Search Engine & HNSW ANN Graph in Java 21 Loom. Sub-millisecond KNN retrieval, 8-bit scalar quantization (SQ8), 16,000+ QPS.
An enterprise blueprint for Uber's DOMA in Spring Boot. Eliminates microservice sprawl and internal network latency using tiered API gateways, gRPC, and isolated databases
The database agent for Postgres and MySQL - Point it at PostgreSQL or MySQL and ask questions in plain English — schema exploration, query generation, slow query analysis, index recommendations, generated dashboards. Self-hosted and air-gapped.
百目 JArgus · Java 代码评审平台 | Hundred-eyed Java code review — 百目所视,无所遁形
A persistent native vector-hypergraph database for higher-order interactions
Testcontainers is a Java library that supports JUnit tests, providing lightweight, throwaway instances of common databases, Selenium web browsers, or anything else that can run in a Docker container.
zerocode-tdd is a community-developed, free, open-source, outcome-driven automated testing framework for Data Pipelines, ETL, REST API, Kafka(Data Streams), Databases and Load scenarios. all defined in simple JSON or YAML — with zero coding.
SymmetricDS is database replication and file synchronization software that is platform independent, web enabled, and database agnostic. It is designed to make bi-directional data replication fast, easy, and resilient. It scales to a large number of nodes and works in near real-time across WAN and LAN networks.