Useful links
KDE: http://kde.org/
The KDE Project home page
KDE Techbase: http://techbase.kde.org/
The KDE Development wiki
KDE Userbase: http://userbase.kde.org/
The KDE User wiki
KDE Identity: https://identity.kde.org/
A single sign-in system used across several KDE websites
KDE Projects Page: https://projects.kde.org/
An overview of all projects within git.kde.org that are based on KDE technology
Qt Tutorials: http://doc.qt.nokia.com/
An extensive reference to Qt documentation
Git in 30 minutes: http://blip.tv/scott-chacon/git-in-30-minutes-4064151
A useful video that introduces the concepts revolving around git
The Dot: http://dot.kde.org/
The official KDE community news outlet
Behind KDE: http://behindkde.org/
People Behind KDE interviews the people who work on KDE
Planet KDE: http://planetkde.org/
Aggregation of KDE community member blogs