eXo Platform - Digital workplace solution
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Confluence - Confluence is content collaboration software that changes how modern teams work
tawk.to - tawk.to is a free live chat app that lets you monitor and chat with visitors on your website or from a free customizable page
Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.
Zendesk - Zendesk is a beautiful, lightweight help-desk solution.