開源軟件之語言和平臺
Harmony, Android, Python, Ruby, PHP, Groovy, Perl, Flex, OpenLaszlo
開源軟件之框架和庫
Spring, Struts, JBoss, Seam, Equinox, Hibernate, iBATIS, Lucene, Webkit
開源軟件之服務器軟件
Apache HTTP服務器, Tomcat, Jetty, Geronimo, JBoss, GlassFish, MySQL, PostgreSQL, Derby, FileZilla Server
開源軟件之開發工具
Eclipse, NetBeans, Apache Ant, Apache Maven, CVS, Subversion, GIT, Bugzilla, JUnit, TestNG
開源軟件之桌面系統
GNOME, OpenOffice.org, Emacs, Firefox, Thunderbird, GIMP, FreeMind, 7-zip