Translated😮 Core Interview Questions & Answers For Experienced Java(Backend) Developers | A complete primer on advanced knowledge for internet Java engineers: covering high concurrency, distributed systems, high availability, microservices, massive data processing, and other areas
Repository Index
65,264 visible repositories in the index
1–24 of 102 · Most stars
The java implementation of Apache Dubbo. An RPC and microservice framework.
- dubbo
- distributed-systems
- framework
- java
Translated🔥 Officially Recommended 🔥 A brand-new Pro version of RuoYi-Vue, with all features optimized and refactored. A back-office management system + WeChat Mini Program built on Spring Boot + MyBatis Plus + Vue & Element, supporting RBAC dynamic permissions, data permissions, SaaS multi-tenancy, Flowable workflow, third-party login, payment, SMS, mall, CRM, ERP, MES, IM, AI large models, IoT (Internet of Things), and more. Your ⭐️ Star ⭐️ is the author's motivation for hair growth!
Spring Cloud Alibaba provides a one-stop solution for application development for the distributed solutions of Alibaba middleware.
- spring-cloud
- java
- spring
- microservices
APM, Application Performance Monitoring System
- skywalking
- observability
- apm
- service-mesh
Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.
- rocketmq
- cloud-native
- eventing
- java
TranslatedA brand-new Cloud version of ruoyi-vue-pro, with all features optimized and refactored. A back-office management system + user mini program built on Spring Cloud Alibaba + MyBatis Plus + Vue & Element, supporting RBAC dynamic permissions, multi-tenancy, data permissions, workflow, third-party login, payment, SMS, mall, CRM, ERP, MES, IM, AI large models, IoT (Internet of Things), and more. Your ⭐️ Star ⭐️ is the motivation for the author to grow hair!
- dubbo
- springcloud
- springboot
- rocketmq
High Performance Inter-Thread Messaging Library
- disruptor
- java
- concurrency
Apache Pulsar - distributed pub-sub messaging system
Free implementation of Play Services
- java
- android
- microg
- google-cloud-messaging
OpenRefine is a free, open source power tool for working with messy data and improving it
- datacleansing
- data-analysis
- java
- opendata
Server supporting the Signal Private Messenger applications on Android, Desktop, and iOS
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
- messaging
- java
- c-plus-plus
- ipc
↥ ↥ ↥ Follow for updates An RBAC permission management system based on Spring Cloud 2025, Spring Boot 4, and OAuth2.
- oauth2
- spring-boot
- spring-cloud
- spring-cloud-alibaba
Apache IoTDB
Apache Kafka® running on Kubernetes
- kafka
- kubernetes
- openshift
- messaging
TranslatedGeneral IM UI components. Android/iOS/RectNative ready. General IM chat UI components, now supporting Android/iOS/RN at the same time.
- ui-components
- instant-messaging
- android-component
- ios-component
signal-cli provides an unofficial commandline, JSON-RPC and dbus interface for the Signal messenger.
- signal-cli
- dbus
- signal
- messaging
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.
- mock-server
- proxy
- java-client
- javascript-client
Kodezi Chronos is a debugging-first language model that achieves state-of-the-art results on SWE-bench Lite (80.33%) and 67% real-world fix accuracy, over six times better than GPT-4. Built with Adaptive Graph-Guided Retrieval and Persistent Debug Memory. Model available Q1 2026 via Kodezi OS.
- artificial-intelligence
- benchmark
- benchmark-report
- bug-fixing
TranslatedA small but beautiful tool focused on batch pushing. Currently supports: template messages - WeChat Official Account, template messages - Mini Program, WeChat customer service messages, WeChat Work (Enterprise WeChat) messages, Alibaba Cloud SMS, Alibaba Dayu template SMS, Tencent Cloud SMS, Yunpian SMS, E-Mail, HTTP requests, DingTalk, Huawei Cloud SMS, Baidu Cloud SMS, Upyun SMS, Qiniu Cloud SMS
Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.
- jitsi
- icq
- jabber
- java
FlatLaf - Swing Look and Feel (with Darcula/IntelliJ themes support)
- look-and-feel
- swing
- java-swing
- flatlaf
GameStream client for Android