1.ashishps1 / awesome-system-design-resources
Learn System Design concepts and prepare for interviews using free resources.
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- high-level-design
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Ranked by Attention Score: stars gained over the last 90 complete days
1–100 of 189 by Attention Score · Aug 5, 2026 – Nov 2, 2026 (UTC)
Learn System Design concepts and prepare for interviews using free resources.
🔥 官方推荐 🔥 RuoYi-Vue 全新 Pro 版本,优化重构所有功能。基于 Spring Boot + MyBatis Plus + Vue & Element 实现的后台管理系统 + 微信小程序,支持 RBAC 动态权限、数据权限、SaaS 多租户、Flowable 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!
【低代码v2.0,一句话即可生成整个系统】企业级AI低代码平台,一键生成前后端代码甚至整个系统。 AI Skills 一句话画流程、设计表单、生成报表、大屏。内置 AI应用平台涵盖:AI聊天、知识库、流程编排、MCP插件等,兼容主流大模型。引领AI低代码「Skills 生成 → 在线配置 → 代码生成 → 手工合并->AI修改」开发模式,解决 Java 项目 90% 重复工作,提高效率又不失灵活。
🦎 A lightweight, streaming-native, multi-protocol gateway for AI, APIs, and real-time data. Route LLM requests across providers, govern MCP tools, and connect Kafka, MQTT, and HTTP through one high-performance engine with shared security and observability.
mall项目是一套电商系统,包括前台商城系统及后台管理系统,基于Spring Boot+MyBatis实现,采用Docker容器化部署。 前台商城系统包含首页门户、商品推荐、商品搜索、商品展示、购物车、订单流程、会员中心、客户服务、帮助中心等模块。 后台管理系统包含商品管理、订单管理、会员管理、促销管理、运营管理、内容管理、统计报表、财务管理、权限管理、设置等模块。
Spring Boot helps you to create Spring-powered, production-grade applications and services with absolute minimum fuss.
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
Agentic AI Framework for Java Developers
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.
All-in-one IoT Platform - Device management, data collection, processing and visualization.
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!
Universal File Online Preview Project based on Spring-Boot
😮 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
an easy-to-use dynamic service discovery, configuration and service management platform for building AI cloud native applications.
A distributed task scheduling framework.(分布式任务调度平台XXL-JOB)
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
MeterSphere 是新一代的开源持续测试工具,内置 AI 助手,让软件测试工作更简单、更高效,不再成为持续交付的瓶颈。
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。
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
The java implementation of Apache Dubbo. An RPC and microservice framework.
又一个小商城。litemall = Spring Boot后端 + Vue管理员前端 + 微信小程序用户前端 + Vue用户移动端
Apache Camel is an open source integration framework with 350+ connectors. Write routes in Java, YAML, or XML. Run on Spring Boot, Quarkus, or standalone. Apache License 2.0.
大数据入门指南 :star:
Agentic Orchestration Platform
No description provided by the repository host.
Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
🚀一个用来深入学习并实战 Spring Boot 的项目。
Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.
Test Automation Made Simple
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..
一个涵盖六个专栏:Spring Boot 2.X、Spring Cloud、Spring Cloud Alibaba、Dubbo、分布式消息队列、分布式事务的仓库。希望胖友小手一抖,右上角来个 Star,感恩 1024
Apollo is a reliable configuration management system suitable for microservice configuration management scenarios.
🔥 🎉newbee-mall是一套电商系统,包括基础版本(Spring Boot+Thymeleaf)、前后端分离版本(Spring Boot+Vue 3+Element-Plus+Vue-Router 4+Pinia+Vant 4) 、秒杀版本、Go语言版本、微服务版本(Spring Cloud Alibaba+Nacos+Sentinel+Seata+Spring Cloud Gateway+OpenFeign+ELK)。 前台商城系统包含首页门户、商品分类、新品上线、首页轮播、商品推荐、商品搜索、商品展示、购物车、订单结算、订单流程、个人订单管理、会员中心、帮助中心等模块。 后台管理系统包含数据面板、轮播图管理、商品管理、订单管理、会员管理、分类管理、设置等模块。
:fire: Seata is an easy-to-use, high-performance, open source distributed transaction solution.
🍬A set of tools that keep Java sweet.
Persistent cluster-friendly scheduler for Java
MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.
The open source, cloud native tool for API Mocking and Testing. Microcks is a Cloud Native Computing Foundation incubating project 🚀
The Standard Webhooks specification
A powerful flow control component enabling reliability, resilience and monitoring for microservices. (面向云原生微服务的高可用流控防护组件)
😱 从源码层面,剖析挖掘互联网行业主流技术的底层实现原理,为广大开发者 “提升技术深度” 提供便利。目前开放 Spring 全家桶,Mybatis、Netty、Dubbo 框架,及 Redis、Tomcat 中间件等
A comprehensive Domain-Driven Design example with problem space strategic analysis and various tactical patterns.
A graph database that supports more than 100+ billion data, high performance and scalability (Include OLTP Engine & REST-API & Backends)
循序渐进,学习Spring Boot、Spring Boot & Shiro、Spring Batch、Spring Cloud、Spring Cloud Alibaba、Spring Security & Spring Security OAuth2,博客Spring系列源码:https://mrbird.cc
Microservice Architecture with Spring Boot, Spring Cloud and Docker
Roadmap to becoming a Java developer in 2026
Spring源码阅读
Apereo CAS - Identity & Single Sign On for all earthlings and beyond.
Open source IaC Automation and Collaboration Software.
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.
🏗 Build container images for your Java applications.
Apache Solr open-source search software
Admin UI for administration of spring boot applications
Activiti is a light-weight workflow and Business Process Management (BPM) Platform targeted at business people, developers and system admins. Its core is a super-fast and rock-solid BPMN 2 process engine for Java. It's open-source and distributed under the Apache license. Activiti runs in any Java application, on a server, on a cluster or in the cloud. It integrates perfectly with Spring, it is extremely lightweight and based on simple concepts.
An application observability facade for the most popular observability tools. Think SLF4J, but for observability.
Java wrapper for the popular chat & VOIP service: Discord https://discord.com
spring boot 实践学习案例,是 spring boot 初学者及核心技术巩固的最佳实践。
Welcome to the WSO2 API Manager source code! For info on working with the WSO2 API Manager repository and contributing code, click the link below.
Conductor is a microservices orchestration engine.
eladmin jpa 版本:项目基于 Spring Boot 2.7.18、 Jpa、 Spring Security、Redis、Vue的前后端分离的后台管理系统,项目采用分模块开发方式, 权限控制采用 RBAC,支持数据字典与数据权限管理,支持一键生成前后端代码,支持动态路由
Vert.x is a tool-kit for building reactive applications on the JVM
🚀 A Complete Fast Android Networking Library that also supports HTTP/2 🚀
Your go-to microservice framework for any situation, from the creator of Netty et al. You can build any type of microservice leveraging your favorite technologies, including gRPC, Thrift, Kotlin, Retrofit, Reactive Streams, Spring Boot and Dropwizard.
An API Gateway built on Spring Framework and Spring Boot providing routing and more.
Gravitee.io - OpenSource API Management
about learning Spring Boot via examples. Spring Boot 教程、技术栈示例代码,快速简单上手教程。
Feign makes writing java http clients easier
API Gateway bridging modern and legacy APIs with WSDL-to-OpenAPI, SOAP-to-REST, XML, OAuth2, and GraphQL.
Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.
Tiny, easily embeddable HTTP server in Java.
《史上最简单的Spring Cloud教程源码》
Apache StreamPipes - A self-service (Industrial) IoT toolbox to enable non-technical users to connect, analyze and explore IoT data streams.
To Be Top Javaer - Java工程师成神之路
Java DSL for easy testing of REST services
Security engine for Java (authentication, authorization, multi frameworks): OpenID Connect, SAML2, CAS, OAuth, LDAP, JWT...
(Official) The DSpace digital asset management system that powers your Institutional Repository
Library for OpenAPI 3 with spring-boot
An extensible Java library for HTTP request and response logging
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.
《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!
Asynchronous, non-blocking HTTP & WebSocket client for the JVM
Manifold is a Java compiler plugin, its features include Metaprogramming, Properties, Extension Methods, Operator Overloading, Templates, a Preprocessor, and more.
EventMesh is a new generation serverless event middleware for building distributed event-driven applications.
jquick‑curl: Java library to run raw curl commands, support copy‑paste curl from Postman/Apifox/Browser DevTools, no need to write HTTP client code.
A networking framework that evolves with your application
Confluent Schema Registry for Kafka
LLM and agent evaluation for Java & Kotlin. Runs in JUnit and CI. Spring AI, LangChain4j, Koog, Embabel, and any LLM client.
基于Spring+SpringMVC+Mybatis分布式敏捷开发系统架构,提供整套公共微服务服务模块:集中权限管理(单点登录)、内容管理、支付中心、用户管理(支持第三方登录)、微信平台、存储系统、配置中心、日志分析、任务和通知等,支持服务治理、监控和追踪,努力为中小型企业打造全方位J2EE企业级开发解决方案。
A damn simple library for building production-ready RESTful web services.
Apache Linkis builds a computation middleware layer to facilitate connection, governance and orchestration between the upper applications and the underlying data engines.
💡Extremely fast enterprise server framework, can be used in RPC, game server, web server.
Universal, flexible, high-performance distributed ID generator. | 通用、灵活、高性能的分布式 ID 生成器
Simple, high-performance event-driven HTTP client+server for Clojure