Apps like Projectlot: GTD-style PM

Here are some great alternatives to Projectlot: GTD-style PM by JointLogic Ltd. :
Nirvana for GTD®
Nirvana for GTD®
★4.5
Chaos Control 2: GTD Organizer
Chaos Control 2: GTD Organizer
★4.2
Chaos Control: GTD Organizer &
Chaos Control: GTD Organizer &
★4.4
MyLifeOrganized: To-Do List
MyLifeOrganized: To-Do List
★4.4
DGT GTD & To-Do List
DGT GTD & To-Do List
★4.6
SingularityApp: To Do Lists
SingularityApp: To Do Lists
★4.3
Progress Tracker
Progress Tracker
★4.3
Project planning
Project planning
★3.7
Nifty: Project Management
Nifty: Project Management
★3.5
Blitz.do: Tasks Reminders ToDo
Blitz.do: Tasks Reminders ToDo
★4.6
Superlist - Tasks & Lists
Superlist - Tasks & Lists
★4.1
Pyrus
Pyrus
★4.2
Project Management
Project Management
★4.3
WORKetc CRM + Projects + More
WORKetc CRM + Projects + More
★4.8
Ultimate To-Do List
Ultimate To-Do List
★4.0
ProjectManager: Empower Teams
ProjectManager: Empower Teams
★3.7