A Curated List of Alibaba Open‑Source Projects for Java Development

1. Spring Cloud Alibaba – Provides a one‑stop solution for developing distributed application services with Spring Cloud programming model. https://github.com/spring-cloud-incubator/spring-cloud-alibaba

2. Druid – A JDBC component offering database access monitoring, a high‑performance connection pool, password encryption, and SQL execution logging. https://github.com/alibaba/druid

3. fastjson – A high‑performance Java JSON parser and generator developed by Alibaba engineers. https://github.com/alibaba/fastjson

4. Dubbo – A lightweight, high‑performance open‑source Java RPC framework providing interface‑based remote calls, fault tolerance, load balancing, and service registration/discovery. https://github.com/alibaba/dubbo

5. JStorm – An enhanced Java implementation of Apache Storm for real‑time stream processing with improved I/O, threading, scheduling, and stability. https://github.com/alibaba/jstorm

6. apns4j – Java implementation of Apple Push Notification Service. https://github.com/teaey/apns4j

7. TDDL – A JDBC datasource based on centralized configuration, supporting master‑slave, read/write separation, and dynamic DB configuration. https://github.com/alibaba/tb_tddl

8. CobarClient – A lightweight distributed data access layer built on iBatis/MyBatis and Spring. https://github.com/alibaba/cobarclient

9. TaobaoJVM – An open‑source, customized JVM based on OpenJDK HotSpot, used in Taobao and Tmall for performance improvements. http://jvm.taobao.org

10. SimpleImage – Java library for image processing such as thumbnail generation and watermarking. https://github.com/alibaba/simpleimage

11. Tedis – A high‑availability Redis client for Java aimed at production use. https://github.com/justified/tedis

12. Arthas – An interactive Java diagnostic tool offering command‑line interface and tab completion. https://alibaba.github.io/arthas/

13. Nacos – Service discovery, configuration, and management platform for microservices and cloud‑native applications. https://nacos.io/en-us/

14. EasyExcel – Memory‑efficient Excel parsing/generation library that dramatically reduces consumption compared to POI. https://github.com/alibaba/easyexcel

15. Sentinel – Lightweight flow‑control framework for microservices, providing rate limiting, circuit breaking, and system protection. https://github.com/alibaba/Sentinel

16. SOFALookout – Multi‑dimensional metrics collection and monitoring middleware with client library and server side (future release). https://github.com/alipay/sofa-lookout

17. SOFABoot – Ant Financial’s Spring Boot‑based development framework offering readiness checks, class isolation, and seamless integration with SOFAStack components. https://github.com/alipay/sofa-boot

18. SOFAArk – Lightweight Java class‑isolation container enabling Fat Jar packaging and dependency isolation. https://alipay.github.io/sofastack.github.io/

19. SOFATracer – Distributed tracing component that records call‑chain information for fault detection and service governance. https://github.com/alipay/sofa-tracer

20. SOFARPC – High‑performance, extensible Java RPC framework with rich model abstractions, filters, routing, and load balancing. https://github.com/alipay/sofa-rpc

21. SOFABolt – Netty‑based network communication framework that abstracts low‑level NIO complexities. https://github.com/alipay/sofa-bolt

22. JVM‑Sandbox – Non‑intrusive runtime AOP solution based on JVM sandboxing. https://github.com/alibaba/jvm-sandbox

23. OpenMessaging – Vendor‑agnostic standard for distributed messaging and stream processing. https://github.com/openmessaging/openmessaging-java

24. Dragonfly – P2P file distribution system designed for large‑scale deployments, container image distribution, and bandwidth optimization. https://github.com/alibaba/Dragonfly

25. vlayout – VirtualLayout provides a comprehensive set of LayoutManager extensions for RecyclerView, enabling reusable layout components. https://github.com/alibaba/vlayout

26. P3C – Java code‑style scanning plugin offering PMD implementation and IDE integrations for IntelliJ IDEA and Eclipse. https://github.com/alibaba/p3c

27. Atlas – Android containerization framework from Alibaba Mobile team, facilitating parallel development, rapid iteration, and dynamic deployment for large‑scale apps. http://atlas.taobao.org/