All About Symbian
Presents news, features, reviews, software, and forums focusing on the operating system used by Nokia, Sony Ericsson, and Samsung smartphones.
Symbian OS
Serves as an open source community center featuring projects, mailing lists, downloads, and an SVN repository.
SymbianOne
Smartphone community site dedicated to the Symbian OS Series 60. Presents news, reviews, articles, events, and blogs.