Free and Open Source, Distributed, RESTful Search Engine
Repository Index
47,133 repositories indexed
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Free universal database tool and SQL client
🍬A set of tools that keep Java sweet.
- java
- hutool
- http
- json
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.
Redisson: Valkey & Redis Java Client and Real-Time Data Platform. Sync/Async/RxJava/Reactive API. Extends Valkey and Redis with over 60 objects and services: Set, Multimap, SortedSet, Map, List, Queue, Deque, Semaphore, Lock, AtomicLong, Map Reduce, Bloom filter, Spring, Tomcat, Scheduler, JCache API, Hibernate, RPC, local cache..
- java
- redis
- lock
- map
🏆 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
A high performance caching library for Java
🚌 The IK Analysis plugin integrates Lucene IK analyzer into Elasticsearch and OpenSearch, support customized dictionary.
- elasticsearch
- ik-analysis
- analyzer
- java
QuestDB is a high performance, open-source, time-series database
- time-series
- low-latency
- database
- sql
An powerful enhanced toolkit of MyBatis for simplify development
- mybatis
- mybatis-plus
- orm
- orm-framework
Graphs for Everyone
The official home of the Presto distributed SQL query engine for big data
- java
- presto
- hive
- hadoop
Apache Doris is a real-time analytics and hybrid search database for AI agents.
- olap
- database
- hudi
- iceberg
《Spring Boot基础教程》，2.x版本持续连载中！点击下方链接直达教程目录！
- spring-boot
- spring-cloud
- spring-data-jpa
- dubbo
Free implementation of Play Services
- java
- android
- microg
- google-cloud-messaging
flink learning blog. http://www.54tianzhisheng.cn/ 含 Flink 入门、概念、原理、实战、性能调优、源码解析等内容。涉及 Flink Connector、Metrics、Library、DataStream API、Table API & SQL 等内容的学习案例，还有 Flink 落地应用的大型项目案例（PVUV、日志存储、百亿数据实时去重、监控告警）分享。欢迎大家支持我的专栏《大数据实时计算引擎 Flink 实战与性能优化》
Apache Druid: a high performance real-time analytics database.
- druid
🔎 Open source distributed and RESTful search engine.
- search
- search-engine
- analytics
- java
Official repository of Trino, the distributed SQL query engine for big data, formerly known as PrestoSQL (https://trino.io)
- java
- presto
- hive
- hadoop
mall学习教程，架构、业务、技术要点全方位解析。mall项目（60k+star）是一套电商系统，使用现阶段主流技术实现。涵盖了SpringBoot、MyBatis、Elasticsearch、RabbitMQ、Redis、MongoDB、MySQL等技术，采用Docker容器化部署。
- springboot
- mybatis
- elasticsearch
- rabbitmq
LangChain4j is an idiomatic, open-source Java library for building LLM-powered applications on the JVM. It offers a unified API over popular LLM providers and vector stores, and makes implementing tool calling (including MCP support), agents and RAG easy. It integrates seamlessly with enterprise Java frameworks like Quarkus and Spring Boot.
Change data capture for a variety of databases. Please log issues at https://github.com/debezium/dbz/issues.
- change-data-capture
- kafka-connect
- apache-kafka
- debezium
mall-swarm是一套微服务商城系统，采用了 Spring Cloud Alibaba、Spring Boot 3.5、Sa-Token、MyBatis、Elasticsearch、Docker、Kubernetes等核心技术，同时提供了基于Vue的管理后台方便快速搭建系统。mall-swarm在电商业务的基础集成了注册中心、配置中心、监控中心、网关等系统功能。
- springcloud
- springboot
- docker
- java
Apache ZooKeeper
- zookeeper
- database
- hacktoberfest
- java