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.
Sync.com - Sync. com offers a backup tool and a file sharing service, rolled into one.
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.
Zoho WorkDrive - File storage & content collaboration tool for modern teams
Basecamp - A simple and elegant project management system.
Yandex.Disk - Files on Yandex.Disk won't get lost if your phone or computer breaks.