Migrating this post from my old blog… These keybindings are still relevant though.
General
Files
Ctrl
+ Shift
+ n
– New Window
Ctrl
+ Shift
+ w
– Close Window
Ctrl
+ Shift
+ t
– Reopen Last File
Ctrl
+ Shift
+ s
– Save File As Prompt
Ctrl
+ w
– Close Current File
Ctrl
+ o
– Open File Prompt
Ctrl
+ n
– New File
Ctrl
+ s
– Save
Views
Ctrl
+ k
+ b
– Toggle Sidebar
F11
– Toggle Fullscreen
Shift
+ F11
– Toggle Distraction Free
Ctrl
+ Shift
+ p
– Command Prompt
Alt
+ Shift
+ 2
– Split View into Two Columns
Alt
+ Shift
+ 1
– Revert to One Column
Alt
+ Shift
+ 5
– Set to Grid View
Ctrl
+ [NUM]
– Jump to Group Where [NUM]
is 1-4
Ctrl
+ Shift
+ [NUM]
– Move File to Specified Group Where [NUM]
is 1-4
Editing
Ctrl
+ a
– Select All
Ctrl
+ Shift
+ m
– Select All Content in Current Parentheses
Ctrl
+ Shift
+ d
– Duplicate Lines
Ctrl
+ m
– Jump to Closing Parenthesis
Ctrl
+ Shift
+ l
– Split Selection to Lines
Ctrl
+ d
– Select Word; Repeat for Next Occurences
Backspace
or Shift
+ Backspace
or Ctrl
+ Shift
+ Backspace
– Left Delete
Delete
– Right Delete
Enter
or Shift
+ Enter
– Insert Newline
Ctrl
+ Shift
+ Enter
– Insert Newline After
Ctrl
+ j
– Join Line Below to End of Current Line
Ctrl
+ ]
– Indent Lines
Ctrl
+ [
– De-indent Lines
Ctrl
+ z
– Undo
Ctrl
+ Shift
+ z
or Ctrl
+ y
– Redo
Ctrl
+ Shift
+ v
– Paste and Indent
Shift
+ Delete
or Ctrl
+ x
– Cut
Ctrl
+ Insert
or Ctrl
+ c
– Copy
Shift
+ Insert
or Ctrl
+ v
– Paste
Ctrl
+ k
+ k
or Ctrl
+ x
– Delete from Cursor to EOL
Ctrl
+ k
+ Backspace
– Delete from Cursor to BOL
Ctrl
+ Shift
+ Up OR Down
– Move Selected Up or Down
Ctrl
+ Space
– Select Next Auto-Complete Suggestion
Ctrl
+ k
+ u
– Transform to Uppercase
Ctrl
+ k
+ l
– Transform to Lowercase
Navigation
Left
or Shift
+ Left
– Move Left (By Characters)
Right
or Shift
+ Right
– Move Right (By Characters)
Up
or Shift
+ Up
– Move Up (By Lines)
Down
or Shift
+ Down
– Move Down (By Lines)
Ctrl
+ Left
or Ctrl
+ Shift
+ Left
– Move Left (By Words)
Ctrl
+ Right
or Ctrl
+ Shift
+ Right
– Move Right (By Word Ends)
Alt
+ Left
or Alt
+ Shift
+ Left
– Move Left (By Subwords)
Alt
+ Right
or Alt
+ Shift
+ Right
– Move Right (By Subword Ends)
Page Up
or Shift
+ Page Up
– Next Page
Page Down
or Shift
+ Page Down
– Previous Page
Home
or Shift
+ Home
– Move to Beginning of Line
End
or Shift
+ End
– Move to End of Line
Ctrl
+ Home
or Ctrl
+ Shift
+ Home
– Move to Beginning of File
Ctrl
+ End
or Ctrl
+ Shift
+ End
– Move to End of File
Goto
Ctrl
+ p
– Quick Open Files by Name
Ctrl
+ r
– Goto Symbol
Ctrl
+ ;
– Goto Word in Current File
Ctrl
+ g
– Goto Line in Current File
Find and Replace
Ctrl
+ f
– Open Find Menu
Ctrl
+ h
– Open Find and Replace Menu
Alt
+ r
– Toggle Regular Expression
Alt
+ c
– Toggle Case Sensitive
Alt
+ w
– Toggle Whole Word
Alt
+ a
– Toggle Preserve Case
F3
– Find
Alt
+ Enter
– Find All
Ctrl
+ Shift
+ f
– Find in Files
Ctrl
+ Shift
+ a
– Replace
Ctrl
+ Alt
+ Enter
– Replace All
Tabs
Ctrl
+ Shift
+ t
– Open Last Closed Tab
Ctrl
+ Page Up
– Cycle Up Through Tabs
Ctrl
+ Page Down
– Cycle Down Through Tabs
Bookmarks
Ctrl
+ F2
– Toggle Bookmark
F2
– Next Bookmark
Shift
+ F2
– Previous Bookmark
Ctrl
+ Shift
+ F2
– Clear Bookmarks
Comments
Ctrl
+ /
– Comment/Un-Comment a Line
Ctrl
+ Shift
+ /
– Block Comment Selection
Plugin Specific
Zen Coding/Emmet
Ctrl
+ Alt
+ Enter
– Open Live Editor