I've checked the manual and did a search on this forum, but I can't find a list of the keyboard shortcuts available in xLights. The manual has a couple for timing (t, s), zooming (+,-) and several effects (R,o,O,u,d,m,c,i,b,y,f,F,g,p,r,x,s,w,n). I have found the xlights_keybindings.xml file as mentioned in the manual too. I really want to find or add shortcuts for the right click options when more than one effect is selected: Align Start Times, Align End Times, Align Both Times, etc.
there are a few other places mentioning random shortcuts, but not much info in them
http://nutcracker123.com/forum/index.php?topic=275.msg1221#msg1221
http://nutcracker123.com/forum/index.php?topic=1459.msg8256#msg8256