SQL Prompt is a Redgate tool I use at work. It provides enhanced intellisense, as well as other functions for writing and formatting SQL
Shortcuts:
Refresh SQL Prompt cache: Ctrl + Shft + D
Bracket object names: Ctrl + B, Ctrl + B
Insert semicolons: Ctrl + B, Ctrl + C
Format SQL: Ctrl + K, Ctrl + Y
Casing: Ctrl + B, Ctrl + U
Qualify Object Names: Ctrl + B, Ctrl + Q
SQL Rob 