Apps like Everdo: to-do list and GTD® ap

Here are some great alternatives to Everdo: to-do list and GTD® ap by Intellation Ltd. :
CraigsDo: GTD® To-Do List
CraigsDo: GTD® To-Do List
★4.0
Nirvana for GTD®
Nirvana for GTD®
★4.5
DGT GTD & To-Do List
DGT GTD & To-Do List
★4.6
Chaos Control 2: GTD Organizer
Chaos Control 2: GTD Organizer
★4.2
Chaos Control: GTD Organizer &
Chaos Control: GTD Organizer &
★4.4
Ultimate To-Do List
Ultimate To-Do List
★4.0
ToDodo: To Do List & Reminder
ToDodo: To Do List & Reminder
★4.5
Simple To Do List
Simple To Do List
★4.5
SingularityApp: To Do Lists
SingularityApp: To Do Lists
★4.3
MyLifeOrganized: To-Do List
MyLifeOrganized: To-Do List
★4.4
Orgzly: Notes & To-Do Lists
Orgzly: Notes & To-Do Lists
★4.6
To-Do Calendar Planner
To-Do Calendar Planner
★4.4
Essential To Do List
Essential To Do List
★4.1
To Do List
To Do List
★4.7
Hitask - Manage Team Tasks and
Hitask - Manage Team Tasks and
★3.5
HibiDo: Todo, Calendar & Notes
HibiDo: Todo, Calendar & Notes
★3.8