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
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The java implementation of Apache Dubbo. An RPC and microservice framework.
- dubbo
- distributed-systems
- framework
- java
ZXing ("Zebra Crossing") barcode scanning library for Java, Android
- java
- android
- barcode
- barcode-scanner
Conductor is an event driven agentic workflow engine providing durable and highly resilient execution engine for applications and AI Agents
- distributed-systems
- grpc
- java
- javascript
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
TranslatedCAT, as a basic component for server-side projects, provides multi-language clients for Java, C/C++, Node.js, Python, Go, etc. It has been deeply integrated into Meituan Dianping's infrastructure middleware frameworks (MVC framework, RPC framework, database framework, cache framework, etc., message queue, configuration system, etc.), providing Meituan Dianping's business lines with a rich set of system performance metrics, health status, real-time alerts, and more.
- apm
- java
- distributed
- realtime
The Java gRPC implementation. HTTP/2 based RPC
- grpc
- java
- microservices
- proto
TranslatedOne of the few industry-leading, fully self-developed cross-platform (windows/linux/android/iOS) streaming media cores dedicated to an ultimate experience. Through free modular combination, it supports real-time RTMP publishing, RTSP publishing, RTMP player, RTSP player, recording, multi-channel streaming media forwarding, audio/video directing, dynamic video composition, audio mixing, live interaction, a built-in lightweight RTSP service, and more. Faster than fast, a truly reliable ultra-low-latency live streaming SDK in the industry (latency as low as 100~200ms).
- rtmp-pusher
- rtmp-player
- android-rtmp
- ios-rtmp
An asynchronous, callback-based Http client for Android built on top of Apache's HttpClient libraries.
- android
- java
Efficient reliable UDP unicast, UDP multicast, and IPC message transport
- messaging
- java
- c-plus-plus
- ipc
Apache ShenYu is a Java native API Gateway for service proxy, protocol conversion and API governance.
- api-gateway
- http-proxy
- dubbo-proxy
- sofa-proxy
Asynchronous, non-blocking HTTP & WebSocket client for the JVM
- netty
- async
- java
- asynchttpclient
🚀 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.
No-root network monitor, firewall and PCAP dumper for Android
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
A blazingly fast multi-language serialization framework for idiomatic domain objects, schema IDL, and cross-language data exchange.
- cross-language
- fast
- jit
- multiple-language
TwelveMonkeys ImageIO: Additional plug-ins and extensions for Java's ImageIO
- imageio
- plug-ins
- java
- tiff
💡Extremely fast enterprise server framework, can be used in RPC, game server, web server.
- netty
- serialization
- game-server
- spring
🦎 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.
An Extensible Request/Response Workbench
Artificial Intelligence framework for games based on libGDX or not. Features: Steering Behaviors, Formation Motion, Pathfinding, Behavior Trees and Finite State Machines
- libgdx
- pathfinding
- steering-behaviors
- formation-motion
Add curve at bottom of image views and relative layouts.
- imageview
- appcompat-support
- curve
- customview
A Java library for capturing, crafting, and sending packets.
- capture-packets
- winpcap
- libpcap
- sending-packets