Google Calendar - Spend less time managing your day & more time enjoying it
Boostnote - Boostnote is an open-source note-taking app.
Business Calendar - Powerful and easy to use calendar app for Android including weather, widgets and tasks.
SSuite Sticky To Do - SSuite's Sticky To Do app gives you an easy way to track your tasks and organize your day.
Jorte - Schedule books must be practical and has a good design.
Taskwarrior - Taskwarrior is an ambitious project bringing sophisticated capabilities to a simple and elegant...