Nothing worse than the second post being "What DE, WM are you using?"
Here are a few I've tried. A few real gems in there that many miss. A thread on just WM's would be great.
All of these will run on Debian: Many are not user friendly but they run! and I'm not just talking about gnome
wm's on X11:
9wm
aewm
aewm++
alopex
antiwm
awesome
blackbox
catwm
cwm
dminiwm
dwm
echinus
euclid-wm
evilwm
fluxbox
flwm_topside
frankenwm
fvwm-crystal
fvwm2
fvwm3
goowmwm
herbstluftwm
i3
icewm
icewm-tiny
jbwm
jwm
mcwm
musca
mwm
notion
nwm
openbox
oroborus
pawm
pekwm
pwm
ratpoison
sawfish
scrotwm
sdorfehs
shod
sithwm
snapwm
sowm
tritium
twm
uwm
vtwm
wbreaker
wind
windowlab
wmaker
wmfs
wmii
wms
wmx
xfce
xoat
yeahwm
Desktops:
Gnome
KDE
XFCE
LXDE
TDE
e16
enlightenment
yadda yadda yadda (that means etc. Just in case)
Then of course there is Wayland stuff:
edit moved TDE to Desktops