http://core.trac.wordpress.org/
http://unit-tests.trac.wordpress.org/
http://plugins.trac.wordpress.org/
http://themes.trac.wordpress.org/
http://i18n.trac.wordpress.org/
// mobile
http://android.trac.wordpress.org/
http://blackberry.trac.wordpress.org/
http://ios.trac.wordpress.org/
http://windowsphone.trac.wordpress.org/
// misc
http://code.trac.wordpress.org/
http://mu.trac.wordpress.org/
http://gsoc.trac.wordpress.org/