elastic / elasticsearch

Free and Open Source, Distributed, RESTful Search Engine

doocs / advanced-java

😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | 互联网 Java 工程师进阶知识完全扫盲：涵盖高并发、分布式、高可用、微服务、海量数据处理等领域知识

YunaiV / yudao-cloud

ruoyi-vue-pro 全新 Cloud 版本，优化重构所有功能。基于 Spring Cloud Alibaba + MyBatis Plus + Vue & Element 实现的后台管理系统 + 用户小程序，支持 RBAC 动态权限、多租户、数据权限、工作流、三方登录、支付、短信、商城、CRM、ERP、MES、IM、AI 大模型、IoT 物联网等功能。你的 ⭐️ Star ⭐️，是作者生发的动力！

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

NLPchina / elasticsearch-sql

Use SQL to query Elasticsearch

JanusGraph / janusgraph

JanusGraph: an open-source, distributed graph database

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.

komoot / photon

an open source geocoder for openstreetmap data

spring-projects / spring-data-elasticsearch

Provide support to increase developer productivity in Java when using Elasticsearch. Uses familiar Spring concepts such as a template classes for core API usage and lightweight repository style data access.

risesoft-y9 / Digital-Infrastructure

数字底座是一款面向大型政府、企业数字化转型，基于身份认证、组织架构、岗位职务、应用系统、资源角色、数据目录、安全控制等功能构建的统一且安全的管理支撑平台。数字底座基于三员管理模式，具备微服务、多租户、容器化和国产化，支持用户利用代码生成器快速构建自己的业务应用，同时可关联诸多成熟且好用的内部生态应用。

elastic / elasticsearch-hadoop

:elephant: Elasticsearch real-time search and analytics natively integrated with Hadoop

javahongxi / whatsmars

Java生态研究(Spring Boot + Redis + Dubbo + RocketMQ + Elasticsearch)🔥🔥🔥🔥🔥

ebean-orm / ebean

Ebean ORM

dadoonet / fscrawler

Elasticsearch File System Crawler (FS Crawler)

hantsy / spring-reactive-sample

Spring Reactive playground

java-up-up / damai

🔥 🔥 官方推荐 🔥 🔥 高并发大麦网售票系统，使用 SpringCloud、Kafka、Redis、Sentinel、ElasticSearch、ShardingSphere 等，通过优化锁的策略、多级缓存管理、数据提前预热、精确的定制限流等多种策略，显著的降低下单延迟。此外还解决各种高并发难题的实际落地解决方案。是面试、就业、提高技术的不二选择！

codelibs / fess

Open-source, self-hosted enterprise & site search server built on OpenSearch. Crawls web / file / DB / cloud sources, 20+ languages, REST API, and AI/RAG & semantic search. Apache-2.0.

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 ...

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.

risesoft-y9 / WorkFlow-Engine

工作流引擎对内提供单位/机关流程管理规则和内部业务流程的数字化落地实践；对外提供自动化地第三方业务驱动、接口接入和算法单元驱动能力。工作流引擎在提供底层驱动引擎的同时对全局透明监控、安全防御和国产化特色功能进行充分考虑，是内部流程管理和业务算法驱动的不二之选。

ICIJ / datashare

A self‑hosted search engine for documents

KouShenhai / KCloud-Platform-IoT

KCloud-Platform-IoT（老寇IoT云平台）是一个企业级单体架构和微服务架构的IoT云平台。采用DDD(领域驱动设计)思想，基于Spring Boot 4.1.1、Spring Cloud 2025.1.3、Spring Cloud Alibaba 2025.1.0.0 最新版本开发的云服务多租户IoT平台，家人们，点个star！拜托啦~

Jarrettluo / all-docs

"All Docs" is a tool that enables online previewing, storage, and sharing of documents such as Word, Excel, PowerPoint, PDF, and images (Pic). It supports full-text search for all document information. “全文档”(All Docs)，Word, Excel, PPT, PDF, Pic等文档在线预览、存储、共享的工具，并且支持全文搜索的所有的文档信息。demo账号密码：admin123

Hakky54 / mutual-tls-ssl

🔐 Tutorial of setting up Security for your API with one way authentication with TLS/SSL and mutual authentication for a java based web server and a client with both Spring Boot. Different clients are provided such as Apache HttpClient, OkHttp, Spring RestTemplate, Spring WebFlux WebClient Jetty and Netty, the old and the new JDK HttpClient, the old and the new Jersey Client, Google HttpClient, Unirest, Retrofit, Feign, Methanol, vertx, Scala client Finagle, Featherbed, Dispatch Reboot, AsyncHttpClient, Sttp, Akka, Requests Scala, Http4s Blaze, Kotlin client Fuel, http4k, Kohttp and ktor. Also other server examples are available such as jersey with grizzly. Also gRPC, WebSocket and ElasticSearch examples are included

hibernate / hibernate-search

Hibernate Search: full-text search for domain model

elastic / elasticsearch-java

Official Elasticsearch Java Client