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.
Logtime - Diary, tasks and goals. All-in-one productivity solution.
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.
Pacaso - The modern way to buy and own a second home
Basecamp - A simple and elegant project management system.
Ark7 - Choose a property and invest in shares