KLiveJournal is a KDE client primarily for the LiveJournal.com site but it should work with any other journal provider that uses the software from livejournal.org as long as it supports challenge/response authentication.
Currently it supports all meta informations like current moode,current music or current location as well as tags.
Additionally it supports the check friends feature and has fast server support (both require a paid account).
It also features simple HTML syntax highlighting, spell checking an drag&drop support for links. Requirements:
· KDE 3.4