dbeaver / dbeaver

Free multi-platform desktop SQL client and database tool supporting any JDBC or ODBC database.

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.

Card-Forge / forge

An unofficial rules engine for the world's greatest card game.

ArcadeData / arcadedb

ArcadeDB Multi-Model Database, one DBMS that supports SQL, Cypher, Gremlin, HTTP/JSON, MongoDB and Redis. ArcadeDB is a conceptual fork of OrientDB, the first Multi-Model DBMS. ArcadeDB supports Vector Embeddings.

apache / shardingsphere

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

baomidou / mybatis-plus

An powerful enhanced toolkit of MyBatis for simplify development

flyway / flyway

Flyway by Redgate • Database Migrations Made Easy.

Snailclimb / interview-guide

基于 Spring Boot 4.1、Java 25、Spring AI 2.0、React、PostgreSQL/pgvector、Redis 和 RustFS 构建的开源 AI 面试平台，支持简历智能分析、模拟面试、语音面试和知识库 RAG。

Wisser / Jailer

Database Subsetting and Relational Data Browsing Tool.

yulichang / mybatis-plus-join

支持连表查询的mybatis-plus,mybatis-plus风格的连表操作提供left join、right join等操作

wgzhao / Addax

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

higress-group / himarket

HiMarket is an enterprise-level "AI Capability Marketplace and Developer Ecosystem Hub." It is not merely a simple aggregation of traditional APIs, but rather a comprehensive platform that packages, publishes, manages, and operates core AI assets such as enterprise Model APIs, MCP Servers, Agent APIs, etc., through standardized product formats.

devlive-community / metaforge

DataCap is integrated software for data transformation, integration, and visualization. Support a variety of data sources, file types, big data related database, relational database, NoSQL database, etc. Through the software can realize the management of multiple data sources, the data under the source of various operations conversion ...

yimindev / dati

Turn your database into secure, semantically rich MCP tools for agents.

Ashmmmm / crockTail

crockTail is a passive OSINT (Open Source Intelligence) reconnaissance tool. Given a target domain, it aggregates publicly available information — DNS records, IP/ASN ownership, SSL/TLS certificate details, and domain registration data — into a single consolidated report.

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

jOOQ / jOOQ

jOOQ is the best way to write SQL in Java

apache / flink-cdc

Flink CDC is a streaming data integration tool

haifengl / smile

Statistical Machine Intelligence & Learning Engine

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

JanusGraph / janusgraph

JanusGraph: an open-source, distributed graph database

CaffeineMC / sodium

A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter

dmytrodanylyk / circular-progress-button

Android Circular Progress Button

crate / crate

CrateDB is a distributed and scalable SQL database for storing and analyzing massive amounts of data in near real-time, even with complex queries. It is PostgreSQL-compatible, and based on Lucene.

apache / hugegraph

A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)

cruise-control-for-kafka / cruise-control

Cruise-control is the first of its kind to fully automate the dynamic workload rebalance and self-healing of a Kafka cluster. It provides great value to Kafka users by simplifying the operation of Kafka clusters.

apache / logging-flume

Apache Flume is a distributed, reliable, and available service for efficiently collecting, aggregating, and moving large amounts of log-like data

metasfresh / metasfresh

We do Open Source ERP - Fast, Flexible & Free Software to scale your Business.

kongzue / DialogX

💬 DialogX dialog box component library, easy to use, more customizable, more scalable, easy to achieve a variety of dialog boxes. DialogX对话框组件库，更加方便易用，可自定义程度更高，扩展性更强，轻松实现各种对话框、菜单和提示效果，更有Material You、iOS、MIUI等主题扩展可选

MarquezProject / marquez

Collect, aggregate, and visualize a data ecosystem's metadata

apache / tinkerpop

Apache TinkerPop - a graph computing framework

stacksimplify / aws-eks-kubernetes-masterclass

AWS EKS Kubernetes - Masterclass | DevOps, Microservices

sqlancer / sqlancer

Automated testing to find logic and performance bugs in database systems

pgjdbc / pgjdbc

Postgresql JDBC Driver

ebean-orm / ebean

Ebean ORM

tess1o / geopulse

A self-hosted, privacy-first location timeline platform: an open-source alternative to Google Timeline with automatic trip detection, Immich integration, and rich analytics.

ongres / stackgres

StackGres Operator, Full Stack PostgreSQL on Kubernetes // !! Mirror repository of https://gitlab.com/ongresinc/stackgres, only accept Merge Requests there.

pgjdbc / r2dbc-postgresql

Postgresql R2DBC Driver

mylhyl / Android-CircleDialog

仿IOS圆角对话框、进度条、列表框、输入框，ad广告框，支持横竖屏切换

LibraryOfCongress / api.congress.gov

congress.gov API

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。

lucee / Lucee

Lucee is a high-performance, open-source CFML server written in Java. Supporting JDBC, Caching, Parallelism, HTTP, ORM, REST, S3 and dynamic Java integration, Lucee is great for developers aiming to build fast, scalable applications, delivering faster startup, rapid compilation and better runtime performance.

eclipse-vertx / vertx-sql-client

High performance reactive SQL client written in Java

rieckpil / blog-tutorials

:star: Codebase for various tutorials about Java, Spring Boot, AWS, Kotlin, and Testing

thingsboard / tbmq

The ultimate distributed MQTT broker. Handles 100M+ connections and 10M msg/sec with ease. Built on Kafka to provide industrial-grade persistence and eliminate data loss.

greenmail-mail-test / greenmail

Official master for the Greenmail project

michel-kraemer / gradle-download-task

📥 Adds a download task to Gradle that displays progress information

Waikato / moa

MOA is an open source framework for Big Data stream mining. It includes a collection of machine learning algorithms (classification, regression, clustering, outlier detection, concept drift detection and recommender systems) and tools for evaluation.

scalar-labs / scalardb

Universal HTAP Engine

Sunagatov / Iced-Latte

a online Marketplace for coffee retail (Backend)

gresrun / jesque

An implementation of Resque in Java.

OtterMind / Nubase

🔥🔥🔥 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.

ORCID / ORCID-Source

ORCID Open Source Project

uyuni-project / uyuni

Open-source systems management and configuration platform

GregTechCEu / GregTech-Modern

GregTech CE Unofficial for modern versions

osalvador / ReplicaDB

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

xunsang2022 / xs-net

XS-NET 是面向长连接、持久化玩家状态与多节点扩展的 Java 游戏服务器框架，适用于 MMORPG/RPG、SLG、卡牌回合制及房间副本类游戏。基于 Pekko Actor 分片管理玩家、场景与战斗实体，支持 TCP、UDP、KCP、WebSocket、Protobuf RPC、多端 SDK，以及 Redis 缓存和 PostgreSQL 异步持久化。

icastanon / fintrack-platform

An open-source event-driven personal finance platform built with Java, Spring Boot, Spring Batch, Spring Security, PostgreSQL, Redis, Amazon SQS, React, Terraform, and AWS.

nvxtien / emporia

Emporia is a microservices-based trading platform built with Spring Boot, React and PostgreSQL, featuring real-time market data, order management, execution strategies, and OAuth2 security.

MSiWPsP / ai-career

智职星.职业规划平台基于Java21+ Spring Boot+ Spring AI+ Vue3+ TypeScript+ MySQL+ PostgreSQL+ Docker实现多阶段容器化部署,RAG检索增强生成,ConditionalRAG策略,实现安全降级,ToolCalling工具调用,Muti-Agent架构,