dbeaver / dbeaver

Free universal database tool and SQL client

OtterMind / Chat2DB

Chat2DB is a free, cross-platform, local-first database client and SQL workspace for developers, DBAs, analysts, and data teams. Connect to 40+ databases, manage data, edit and run SQL, and use your own AI model to generate, explain, and optimize queries. Available on desktop, web, Docker, and CLI, with MCP support.

oracle / graal

GraalVM compiles applications into native executables that start instantly, scale fast, and use fewer compute resources 🚀

APIJSON / APIJSON

🏆 Real-Time no-code, powerful and secure ORM 🚀 providing APIs and Docs without coding by Backend, and Frontend(Client) can customize response JSONs 🏆 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

OpenRefine / OpenRefine

OpenRefine is a free, open source power tool for working with messy data and improving it

jOOQ / jOOQ

jOOQ is the best way to write SQL in Java

JSQLParser / JSqlParser

JSqlParser parses an SQL statement and translate it into a hierarchy of Java classes. The generated hierarchy can be navigated using the Visitor Pattern

liquibase / liquibase

Main Liquibase Source

oracle / opengrok

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

oracle / visualvm

VisualVM is an All-in-One Java Troubleshooting Tool

Wisser / Jailer

Database Subsetting and Relational Data Browsing Tool.

bucket4j / bucket4j

Java rate limiting library based on token-bucket algorithm.

apache / casbin-jcasbin

An authorization library that supports access control models like ACL, RBAC, ABAC in Java

geotools / geotools

Official GeoTools repository

mateaix / matecloud

🔥MateCloud是一款基于Spring Cloud Alibaba的微服务架构。目前已经整合Spring Boot 4.0.8、 SpringCloud 2025、Spring Cloud Alibaba 2025、Spring AI 2.0.1、Spring Security Oauth2、Feign、Dubbo、JetCache、RocketMQ等，支持多租户的低代码平台，Saas平台开发套件

ebean-orm / ebean

Ebean ORM

wgzhao / Addax

Actively maintained successor to Alibaba DataX — a fast, versatile, open-source ETL tool for 30+ RDBMS and NoSQL data sources.

oracle-samples / oracle-db-examples

Code Examples for Oracle AI Database

aliyun / aliyun-openapi-java-sdk

The Alibaba Cloud V1.0 SDK will soon enter the Basic Security Maintenance phase and is no longer recommended for use. V2.0 SDK is available here: https://github.com/aliyun/alibabacloud-java-sdk

neo4j-labs / neosemantics

Graph+Semantics: Import/Export RDF from Neo4j. SHACL Validation, Model mapping and more.... If you like it, please ★ ⇧

86dbs / dbsyncer

DBSyncer（简称dbs）是一款开源的数据同步中间件，提供MySQL、Oracle、SqlServer、PostgreSQL、Elasticsearch(ES)、Kafka、File、SQL等同步场景。支持上传插件自定义同步转换业务，提供监控全量和增量数据统计图、应用性能预警等。

jumpmindinc / symmetric-ds

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.

PlaytikaOSS / testcontainers-spring-boot

Container auto-configurations for Spring Boot based integration tests

Yohann0617 / oci-helper

基于 Oracle OCI SDK 🐢 开发的 web 端可视化甲骨文云助手（Y探长），目前实现的功能有：批量添加多个租户配置、更改实例配置、引导卷配置、一键开启免费AMD实例下行500Mbps、一键更新、一键救援/缩小硬盘、附加ipv6、安全列表、实时流量查询（分钟级别）、根据多个 CIDR 网段更换实例公共IP、多租户同时批量抢机、Cloud Shell 控制台、断点续抢、备份恢复、日志实时查看、消息通知、MFA登录验证、更新 Cloudflare DNS 记录、TG 机器人操作等功能。

ClawRunr / JavaClaw

JavaClaw, a Java version of OpenClaw built on Spring Boot, Spring AI and JobRunr

scalar-labs / scalardb

Universal HTAP Engine

osalvador / ReplicaDB

ReplicaDB is open source tool for database replication, designed for efficiently transferring bulk data between relational and non-relational databases

floci-io / floci-oci

Light, fluffy, and always free - Local Oracle Cloud Emulator

vfaner / jync

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

ACLaniakea / coloros-pad-fixes

联想小新 Pad Pro GT (TB710FU / SM8650Q) 的 ColorOS 16 移植适配：温控、内存与交换、CPU 调度、手写笔、AON 注视感知等四十余项修复，含自建内核与一加 BSP 内核模块。

CollapseLoader / DeltaClient

Fully cleaned and working DeltaClient

Nodewebzsz / oci-pool

Modern Oracle Cloud (OCI) instance management & auto-provisioning system with React SPA & native desktop clients (macOS/Win).