Here is a handy reference of GTDify shortcut keys to manage your actions and projects a lot more easier:

Shortcut
Description

Alt+Shift+t
Home

Alt+Shift+p
Projects

Alt+Shift+k
Tickler

Alt+Shift+c
Contexts

Alt+Shift+d
Completed Tasks

Alt+Shift+r
Manage recurring actions

Alt+Shift+l
Calendar of due actions

Alt+Shift+s
Show/Hide Notes

Alt+Shift+o
Show all notes

Alt+Shift+u
Preferences

Alt+Shift+i
Import and export data

Alt+Shift+n
Show/Hide Form (Add Action/Project/Context)