To-do List

Tasks

Tasks can be used entirely offline, or synchronized with Google Tasks, CalDAV, or EteSync. It is your data, you should get to choose where it is stored!

• Nested subtasks with unlimited depth
• Powerful repeating task options
• Location-based arrival and departure notifications
• Tag, filter, and search your tasks
• Customize your lists with different icons and colors
• Hide tasks until a later date
• Automatically add tasks to your calendar
• Create new tasks and list reminders with Tasker

Orgzly

Orgzly stores notebooks in plain-text and keeps them where you choose to.

• Create, edit and delete notes and tasks
• Collapse and expand sub-notes
• Schedule tasks and set their deadlines
• Set priorities and tags for notes
• Fling notes left or right to open quick-menus
• Search notes by various properties
• Create and save searches for quick access
• Synchronize notebooks with one or more directories

OpenTasks

A task manager app, allowing you to categorise your todo list by urgency, state, timeframe etc.