国外开源网站聚合

sourceforge http://www.sourceforge.net/
java.net http://www.java.net/

http://www.eclipse.org/

http://www.open-open.com/ 

http://www.opensource.org/

http://strutstestcase.sourceforge.net/ (StrutsTestCase是基于Junit的一个方便测试struts框架的测试框架)

Lomboz http://www.objectlearn.com/index.jsp (J2EE plugin for Eclipse)
htmlArea http://sourceforge.net/projects/itools-htmlarea/ (所见即所得的在线HTML编辑器)
XmlBuddy http://www.xmlbuddy.com/ (XML Editor plugin for Eclipse)
JFreeChart http://www.jfree.org/ (用于生成图表的项目)
EclipseME http://eclipseme.sourceforge.net/ (J2ME Developmnt Plugin for Eclipse)
mvnForum http://sourceforge.net/projects/mvnforum/ (论坛)
jChatBox http://www.javazoom.net/index.shtml (用servlet实现的WEB聊天引擎)
POI http://jakarta.apache.org/poi/index.html (用于处理Excel,WORD等文档的项目)
FileUpload http://jakarta.apache.org/commons/fileupload/ (用于处理HTTP文件上传得项目)
PDFBox http://sourceforge.net/projects/pdfbox/ (处理PDF文档的项目)
Lucene http://jakarta.apache.org/lucene/index.html (搜索引擎)
Digester http://jakarta.apache.org/commons/digester/ (处理XML信息的项目)
DBCP http://jakarta.apache.org/commons/dbcp/ (数据库连接池)
AXIS http://ws.apache.org/axis/ (WebService 的实现框架)
Jetspeed http://portals.apache.org/jetspeed-1/ (Portal)
HSQLDB http://sourceforge.net/projects/hsqldb/ (Im memory Database Engine)
CEWOLF http://sourceforge.net/projects/cewolf/ (一套标签库实现Web报表,使用的是jFreeChart引擎)
Struts Menu http://sourceforge.net/projects/struts-menu/ (基于Struts的Web菜单项目)
htmlparser http://sourceforge.net/projects/htmlparser/ (用于解析HTML信息的项目)
Mondrian http://sourceforge.net/projects/mondrian/(Open Source OLAP Database)
ProGuard http://sourceforge.net/projects/proguard/(Java的混淆器)
InfoGlue http://sourceforge.net/projects/infoglue/ (J2EE 内容管理系统)
JPivot http://sourceforge.net/projects/jpivot/ (基于WEB的OLAP 展现)
http://java-source.net/

(5)几个常用JAVA开源项目的地址荟萃:
Lomboz http://www.objectlearn.com/index.jsp (J2EE plugin for Eclipse)
htmlArea http://sourceforge.net/projects/itools-htmlarea/ (所见即所得的在线HTML编辑器)
XmlBuddy http://www.xmlbuddy.com/ (XML Editor plugin for Eclipse)
JFreeChart http://www.jfree.org/ (用于生成图表的项目)
EclipseME http://eclipseme.sourceforge.net/ (J2ME Developmnt Plugin for Eclipse)
mvnForum http://sourceforge.net/projects/mvnforum/ (论坛)
jChatBox http://www.javazoom.net/index.shtml (用servlet实现的WEB聊天引擎)
POI http://jakarta.apache.org/poi/index.html (用于处理Excel,WORD等文档的项目)
FileUpload http://jakarta.apache.org/commons/fileupload/ (用于处理HTTP文件上传得项目)
PDFBox http://sourceforge.net/projects/pdfbox/ (处理PDF文档的项目)
Lucene http://jakarta.apache.org/lucene/index.html (搜索引擎)
Digester http://jakarta.apache.org/commons/digester/ (处理XML信息的项目)
DBCP http://jakarta.apache.org/commons/dbcp/ (数据库连接池)
AXIS http://ws.apache.org/axis/ (WebService 的实现框架)
Jetspeed http://portals.apache.org/jetspeed-1/ (Portal)
HSQLDB http://sourceforge.net/projects/hsqldb/ (Im memory Database Engine)
CEWOLF http://sourceforge.net/projects/cewolf/(一套标签库实现Web报表,使用的是jFreeChart擎)
Struts Menu http://sourceforge.net/projects/struts-menu/ (基于Struts的Web菜单项目)
htmlparser http://sourceforge.net/projects/htmlparser/ (用于解析HTML信息的项目)
Mondrian http://sourceforge.net/projects/mondrian/ (Open Source OLAPdatabase)
ProGuard http://sourceforge.net/projects/proguard/ (Java的混淆器)
InfoGlue http://sourceforge.net/projects/infoglue/ (J2EE 内容管理系统)
JPivot http://sourceforge.net/projects/jpivot/ (基于WEB的OLAP 展现)
HttpClient http://jakarta.apache.org/commons/httpclient/ 处理http客户端的接口