It's based on the Blackbox 0.61.1 code. Fluxbox looks like blackbox and
handles styles, colors, window placement and similar thing exactly like
blackbox (100% theme/style compability).
Features
Configurable window tabs.
Iconbar (for minimized/iconified windows)
Wheel scroll changes workspace
Configurable titlebar (placement of buttons, new buttons etc)
KDE support
New native integrated keygrabber (supports emacs like keychains)