KDE Personal Information Management suite.

blogio - The KDE blogging client
kaddressbook - Keeps your addresses on file
akregator - Feed reader
kalarm - A personal alarm message, command and email scheduler
kjots - A note taker
kleopatra - KDE Key Manager
kmail - Fully featured Email client
knode - KDE News (Usenet) reader
knotes - Popup notes
kontact - Brings together all the KDE PIM applications under one roof
korganizer - KDE Calendar and scheduling
ktimetracker - time tracker

WWW: http://www.kde.org/