开源软件之语言和平台
Harmony, Android, Python, Ruby, PHP, Groovy, Perl, Flex, OpenLaszlo
开源软件之框架和库
Spring, Struts, JBoss, Seam, Equinox, Hibernate, iBATIS, Lucene, Webkit
开源软件之服务器软件
Apache HTTP服务器, Tomcat, Jetty, Geronimo, JBoss, GlassFish, MySQL, PostgreSQL, Derby, FileZilla Server
开源软件之开发工具
Eclipse, NetBeans, Apache Ant, Apache Maven, CVS, Subversion, GIT, Bugzilla, JUnit, TestNG
开源软件之桌面系统
GNOME, OpenOffice.org, Emacs, Firefox, Thunderbird, GIMP, FreeMind, 7-zip