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Free and Open Source, Distributed, RESTful Search Engine

Spring Framework

The java implementation of Apache Dubbo. An RPC and microservice framework.

Netty project - an event-driven asynchronous network application framework

微信开发 Java SDK ，支持包括微信支付，开放平台，小程序，企业微信，视频号，公众号等的后端开发

Apache Kafka - A distributed event streaming platform

Apache Flink

Apache RocketMQ is a cloud native messaging and streaming platform, making it simple to build event-driven applications.

Empowering Data Intelligence with Distributed SQL for Sharding, Scalability, and Security Across All Databases.

Apache Hadoop

Distributed lock for your scheduled tasks

OpenTelemetry auto-instrumentation and instrumentation libraries for Java