JAVA https://www.java.net
Spring http://spring.io
SpringBatch http://projects.spring.io/spring-batch (批处理)
SpringHadoop http://projects.spring.io/spring-hadoop
SpringAMQP http://projects.spring.io/spring-amqp (AMQP消息解决方案)
SpringCloud http://projects.spring.io/spring-cloud (分布式开发使用)
Hibernate http://hibernate.org
Struts http://struts.apache.org
Play http://www.playframework.com (全栈式的Web框架,亦适用于Scala)
Firefly http://www.fireflysource.com (Web框架)
JavaMail https://java.net/projects/javamail
JFinal http://www.jfinal.com http://git.oschina.net/jfinal/jfinal
JPPF http://www.jppf.org (并行处理框架)
EasyPOI http://git.oschina.net/jueyue/easypoi
WTP http://www.eclipse.org/webtools (Eclipse的JEE开发插件)
Tiny http://www.tinygroup.org (JEE框架)
Nutz http://nutzam.com
YMP http://suninformation.github.io/ymateplatform (WEB框架)
JOOQ http://www.jooq.org (ORM框架)
Sql2O http://www.sql2o.org (数据库查询到对象转换)
Marvin http://marvinproject.sourceforge.net (图像处理框架)
Snaker http://snakerflow.github.io (工作流)
SnakerFlow http://snakerflow.com
EChart http://git.oschina.net/free/ECharts (Java图表封装类库)
Jodd http://jodd.org
Nutz http://www.nutzam.com (SSH替代品)
Nutz https://github.com/nutzam/nutz (Github地址)
Disruptor http://lmax-exchange.github.io/disruptor (Java并发编程框架)
Jcseg http://git.oschina.net/lionsoul/jcseg (Java中文分词器)
JPinyin https://github.com/stuxuhai/jpinyin (汉字转拼音)
Pinyin4J http://pinyin4j.sourceforge.net
Hasor https://github.com/zycgit/hasor
JSpider https://github.com/jiangy/jspider
GoogleGson https://code.google.com/p/google-gson(Json与Java对象的映射工具)
FastJson http://git.oschina.net/wenshao/fastjson
JsonLib http://json-lib.sourceforge.net
Jackson http://jackson.codehaus.org
Wro4j http://alexo.github.io/wro4j (web资源优化工具)
Freemarker http://freemarker.org (模板)
Velocity http://velocity.apache.org (模板)
Jetbrick http://subchen.github.io/jetbrick-template (模板)
WebitScript http://zqq90.github.io/webit-script (模板)
Portofino http://www.manydesigns.com/en/portofino (Java企业开发框架)
SquirrelStateMachine http://squirrelframework.org
Kryo https://github.com/EsotericSoftware/kryo (对象图形序列化框架)
PMD http://pmd.sourceforge.net (代码检查工具)
Virgo http://www.eclipse.org/virgo (web服务器)
Rewrite http://ocpsoft.org/rewrite (URL重写)
IText http://itextpdf.com (pdf操作库)
Arquillian http://arquillian.org (单元测试框架)
Jersey https://jersey.java.net (RESTful Web Services 实现)
Restlet http://www.restlet.org (REST框架)
Zorka http://zorka.io (监控系统)
CodeQuery http://ruben2020.github.io/codequery (代码检索工具)
Mina http://mina.apache.org (网络开发框架)
Cindy http://cindy.sourceforge.net (NIO框架)
Netty http://netty.io (NIO网络应用框架)
Disruptor http://lmax-exchange.github.io/disruptor (并发编程框架)
Jsoup http://jsoup.org (Html解析器)
Xsoup https://github.com/code4craft/xsoup (Html解析器)
JWt http://www.webtoolkit.eu/jwt (Web工具包)
Druid https://github.com/alibaba/druid (JDBC组件)
MimeUtil http://sourceforge.net/projects/mime-util
JMimeMagic https://github.com/arimus/jmimemagic
MimeApplication http://mime-application.com
TestNg http://testng.org (测试框架)
Nuiton-I18N http://maven-site.nuiton.org/i18n (Java国际化开发包)
JAXX http://maven-site.nuiton.org/jaxx (XML编程)
DEMUX http://demux.vektorsoft.com/demux
ASM http://asm.ow2.org (Java字节码框架)
Activiti http://www.activiti.org (工作流)
Nashorn http://openjdk.java.net/projects/nashorn(Java8新特性嵌入JS代码)(JS引擎)
Jodd http://jodd.org (Java工具包)
JinQ http://www.jinq.org (数据库访问工具)
JGroups http://www.jgroups.org (群组通讯工具)
JDAL http://www.jdal.org (数据库应用层)
Kryo https://github.com/EsotericSoftware/kryo (Java队形图形序列化框架)
JessMA http://www.jessma.org (MVC&RESTful框架)
JimStoneAjax http://jimstone.duapp.com (通过JS执行Java代码)
NTRU http://tbuktu.github.io/ntru (加密算法库)
HikariCP http://brettwooldridge.github.io/HikariCP (数据连接池)
C3P0 https://github.com/swaldman/c3p0 (数据连接池)
Tatala https://github.com/zijan/Tatala (RPC中间件)
Jackcess http://jackcess.sourceforge.net (java的access库)
JavaMelody https://code.google.com/p/javamelody (Java系统监控工具)
S2JH https://github.com/xautlx/s2jh (基于SSH的企业Web应用开发框架)
JWebMail http://jwebmail.sourceforge.net (支持IMAP/POP3协议的WebMail)
JGuru http://www.jguru.com
JDAO https://code.google.com/p/java-jdao (ORM)
Guzz(ORM) https://code.google.com/p/guzz
JClouds http://jclouds.apache.org (云计算开发包)
Ehcache http://ehcache.org (缓存框架)
ZKCharts http://www.zkoss.org/product/zkcharts (图表)
JAS http://krum.rz.uni-mannheim.de/jas (Java代数系统)
MDIFramework https://java.net/projects/mdiframework
TemplateFX http://netnix.org/templatefx.html (动态模板)
Grails http://grails.org
XMemcached https://github.com/killme2008/xmemcached (Memcached的客户端)
Jolokia http://www.jolokia.org (JMX远程访问方法)
JFTP http://j-ftp.sourceforge.net (客户端)
JFreeSVG http://www.jfree.org/jfreesvg (svg库)
F2J http://icl.cs.utk.edu/f2j (Java调用Fortran接口)
JdMVC https://github.com/liubingsmile/jdmvc
JackRabbit http://jackrabbit.apache.org (JSR-170 的开放源码实现)
JFormDesigner http://www.formdev.com (Swing设计工具)
DarksCodec https://github.com/liulhdarks/darks-codec (通行消息协议编解码)
Avian https://github.com/ReadyTalk/avian (轻量级JAVA虚拟机)
P6SPY https://github.com/p6spy/p6spy (SQL语句拦截框架)
ElasticSearch http://www.elasticsearch.com (分布式搜索引擎)
Wicket http://wicket.apache.org (Web框架,类似Strusts)
ByteMan http://byteman.jboss.org (字节码注入)
Sirona http://sirona.incubator.apache.org (Java应用程序的监控方案)
Kylin http://www.kylin.io (分布式OLAP分析引擎,支持TB到PB级数量)
LWJGL3 http://www.lwjgl.org (Java游戏库)
Akka http://akka.io (分布式Actor 模型应用,可扩展的实时事务处理库)
MyFaces http://myfaces.apache.org (JSF框架)
PrimeFaces http://www.primefaces.org (JSF框架)
RichFaces http://richfaces.jboss.org (JSF框架)
WebMagic http://git.oschina.net/flashsword20/webmagic (爬虫框架)
SpiderMan https://gitcafe.com/laiweiwei/Spiderman (爬虫)
CloverETL http://www.cloveretl.com (ETL框架)
Jedis https://github.com/xetorthio/jedis (Redis的java客户端开发包)
JClassLib https://github.com/ingokegel/jclasslib (字节码查看器)
Errai http://erraiframework.org (异步消息传递框架)
Redline http://redline-rpm.org (RPM类库)
RoboVM http://www.robovm.org
Elasticsearch http://www.elasticsearch.org (基于Lucene的搜索引擎)
Drools http://www.drools.org (源码规则引擎)
Restlet http://www.restlet.org (REST框架)
Axis2 http://axis.apache.org/axis2/java (REST框架)
MQTT http://mqtt.org (IBM开源消息传输协议)
HazelcastMQ https://github.com/mpilone/hazelcastmq (消息队列服务)
ActiveMQ http://activemq.apache.org (JMS消息服务器)
RabbitMQ http://www.rabbitmq.com (消息服务器)
Jafka https://github.com/adyliu/jafka (分布式消息系统)
NSQ http://nsq.io
Faye http://faye.jcoglan.com(NodeJS、Ruby)
OpenAMQ http://www.openamq.org
Sparrow http://code.google.com/p/sparrow (Ruby)
SquirrelMQ http://code.google.com/p/squirrel-message-queue
Jpcap http://jpcap.sourceforge.net (抓包工具)
G4IT https://github.com/xiongchun/g4studio (二次快速开发平台)
ReJava http://rejava.sourceforge.net (代码混淆器)
ProGuard http://proguard.sourceforge.net (代码混淆器)
JR http://www.cs.ucdavis.edu/~olsson/research/jr (并发编程语言)
Clojure http://clojure.org (并发编程语言)
Groovy http://groovy.codehaus.org (基于JVM的动态语言)
Erjang http://erjang.org (Erlang虚拟机,在JVM上运行)
Magnolia http://www.magnolia-cms.com
Freedomotic http://www.freedomotic.com (开源室内装修软件)
LogicalDOC http://www.logicaldoc.com (文档管理系统)
OpenKM http://www.openkm.com (文档管理系统)
KonaKart http://www.konakart.com (Java电子商务软件)
Xwiki http://www.xwiki.org (Java版wiki系统)
ThoughtWorks GO http://www.go.cd (持续集成和发布系统)
DOROODO http://www.doroodo.com (SSH开发平台)
Waylau http://www.waylau.com
Gradle 2 用户指南 https://github.com/waylau/Gradle-2-User-Guide
Netty 4 用户指南 https://github.com/waylau/netty-4-user-guide
JAVAWorld http://www.javaworld.com
JavaPapers http://javapapers.com(教程博客)
Java学习论坛 http://www.boydavid.com
JavaIT http://www.javait.org
Java学习者 http://www.javaxxz.com
DDJava http://www.ddjava.com
BlogJava http://www.blogjava.net
Java论坛 http://www.j2me.pw
JeeFX http://www.jeefx.com
WalkerJava http://www.walkerjava.com
并发编程 http://ifeve.com
疯狂JAVA联盟 http://www.crazyit.org
Java驿站 http://it.deepinmind.com
Java学习者 http://www.javaxxz.com
Java论坛 http://www.java17.com
JeeCG http://www.jeecg.org
CMBlog http://cmsblogs.com
JavaCodeGeeks http://www.javacodegeeks.com
XDemo http://www.xdemo.org
打包工具
Launch4J http://launch4j.sourceforge.net (Java文件转EXE可执行文件)
Install4J http://www.ej-technologies.com/products/install4j/overview.html (商业软件)
开源下载工具
JAxel http://git.oschina.net/xidomlove/JAxel
JDownloader http://www.jdownloader.org
JDownZ http://sourceforge.net/projects/jdownz
Google2SRT http://google2srt.sourceforge.net
JoBo http://www.matuschek.net/jobo