eXo Platform - Digital workplace solution
Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Basecamp - A simple and elegant project management system.
Influitive - Influitive helps companies increase customer lifetime value and accelerate sales with the power of their own customer advocates. Inspire your customers to stay longer, share their experiences, and attract new business.
Slack - A messaging app for teams who see through the Earth!
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.