HeySpace - HeySpace is the only free task and simple project management software with communication and collaboration feature.
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.
Rivers IM - Simple, fast & secure team collaboration platform
WebDrive - WebDrive File Access Client allows you to open and edit server-based files without the additional step of downloading the file.
Slack - A messaging app for teams who see through the Earth!
ExpanDrive - ExpanDrive is a fast network drive and browser for cloud storage.