Java Open Source Frameworks

The most frequently used java open source frameworks

Common

• guava
• commons-lang
• commons-io
• commons-collections
• commons-codec
• commons-compress
• commons-cli

Document

• Word/Excel/PPT: Apache POI
• PDF: Apache PDFBox

Text Data Format

• JSON: jackson, fastjson
• CSV: commons-csv, OpenCSV
• XML: dom4j, jdom
• YAML: snakeyaml

Clients

• HTTP: Apache HttpClient
• FTP: commons-net
• Email: commons-email
• Reids: jedis
• Memcached: xmemcached

Logging

• API: slf4j, commons-logging
• Implementation: Apache log4j, logback

Configuration

• commons-configuration

Database Connection Pool

• druid, HikariCP, commons-dbcp

Serializer/Deserializer

• Kryo
• Protobuf
• Thrift
• Avro
• protostuff

TCP Service

• Netty

HTTP Service

• Spring Boot
• Dropwizard
• Jetty
• jersey
• Apache CXF

RPC Service

• gRPC
• Dubbo

NLP

• Chinese Word Segmentation: HanLP
• Apache OpenNLP

Html Information Extractor

• Jsoup

Deep Learning

• deeplearning4j

IOC

• Spring

Metric

• Dropwizard Metrics

Test

• Unit Test: Junit
• Mock: mockito, jmockit

Tomcat Session Manager

• memcached-session-manager
• redisson-tomcat

Reactive

• https://github.com/ReactiveX/RxJava
• https://github.com/reactor/reactor-core
• https://github.com/eclipse-vertx/vert.x
• https://github.com/akka/akka

Others

• Derby
• Parquet
• ORC
• Kudu
• Htmlunit
• selenium
• RoaringBitmap
• stream-lib
• mysql-connector
• sqlite-jdbc
• JavaCV
• Quartz
• disruptor
• cglib
• activiti
• MyBatis
• joda-time -> java8 java.time