Dubbo Source Version: 2.5.4
By statistics, Dubbo altogether has 36 sub-modules, sub-modules are as follows:
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Com.alibaba:hessian-lite
Com.alibaba:dubbo-common
Com.alibaba:dubbo-remoting-api
Com.alibaba:dubbo-remoting-netty
Com.alibaba:dubbo-remoting-mina
Com.alibaba:dubbo-remoting-grizzly
com.alibaba:dubbo-remoting-p2p
Com.alibaba:dubbo-remoting-http
Com.alibaba:dubbo-remoting-zookeeper
Com.alibaba:dubbo-rpc-api
Com.alibaba:dubbo-rpc-default
Com.alibaba:dubbo-rpc-injvm
Com.alibaba:dubbo-rpc-rmi
Com.alibaba:dubbo-rpc-hessian
Com.alibaba:dubbo-rpc-http
Com.alibaba:dubbo-rpc-webservice
Com.alibaba:dubbo-rpc-thrift
Com.alibaba:dubbo-rpc-memcached
Com.alibaba:dubbo-rpc-redis
Com.alibaba:dubbo-filter-validation
Com.alibaba:dubbo-filter-cache
Com.alibaba:dubbo-cluster
Com.alibaba:dubbo-registry-api
Com.alibaba:dubbo-registry-default
Com.alibaba:dubbo-registry-multicast
Com.alibaba:dubbo-registry-zookeeper
Com.alibaba:dubbo-registry-redis
Com.alibaba:dubbo-monitor-api
Com.alibaba:dubbo-monitor-default
Com.alibaba:dubbo-config-api
Com.alibaba:dubbo-config-spring
Com.alibaba:dubbo-container-api
Com.alibaba:dubbo-container-spring
Com.alibaba:dubbo-container-jetty
com.alibaba:dubbo-container-log4j
Com.alibaba:dubbo-container-logback
Dubbo Sub-module