Google Calendar - Spend less time managing your day & more time enjoying it
Asana - Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.
Jorte - Schedule books must be practical and has a good design.
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Business Calendar - Powerful and easy to use calendar app for Android including weather, widgets and tasks.
Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.