Sublime Text

General
Key Description
⌘T Go to File
⌘ + Control + P Go to Project
⌘R Go to Methods
Control + G Go to Line
⌘KB Toggle Side Bar
⌘ + Shift + P Command Prompt
⌘ + Shift + N New Window
XML/HTML
Key Description
⌘ + Shift + A Select Content Into Tag
⌘ + Option + . Close Tag
Find / Replace
Key Description
⌘F Find
⌘ + Option + F Replace
Option + ⌘ + G Find Next Occurrence of Current Word
Control + ⌘ + G Find All Occurr­ences of Current Word
⌘ + Shift + F Find in Files
Editing
Key Description
⌘L Select Line (repea­table)
⌘D Select Word (repea­table)
Control + Shift + M Select Content In Brackets
⌘ + Shift + Enter Insert Line Before
⌘ + Enter Insert Line After
Control + Shift + K Delete Line
⌘KK Delete Line from Cursor to End of Line
⌘K + Delete Delete Line from Cursor to Start of Line
⌘ + Shift + D Duplicate Line(s)
⌘J Join Lines
⌘KU Upper Case
⌘KL Lower Case
⌘/ Comment
⌘ + Option + / Block Comment
⌘Y Redo
⌘ + Shift + D Paste and Indent
Control + Space Auto Complete (Repeat for next selection)
Control + M Jump to Matching Bracket
⌘U Undo Movement (Soft Undo)
⌘ + Shift + U Redo Movement (Soft Redo)
Bookmarks
Key Description
⌘F2 Toggle Bookmark
F2 Next Bookmark
Shift + F2 Previous Bookmark
⌘ + Shift + F2 Clear Bookmarks
Splits / Tabs
Key Description
⌘ + Option + 1 Single Column
⌘ + Option + 2 Two Columns
⌘ + Option + 5 Grid
Control + [1,2,3,4] Focus Group
Control + Shift + [1,2,3,4] Move File to Group
⌘ [1,2,3,4] Select Tab

Taken from Cheatography