Slack - A messaging app for teams who see through the Earth!
Wrinkl - Group messaging built for business
Microsoft Teams - Microsoft Teams provides the enterprise-level security, compliance and management features you expect from Office 365, including broad support for compliance standards, and eDiscovery and legal hold for channels, chats, and files.
ShortPoint - Design beautiful intranets for your company without code
Facebook Messenger - Facebook Messenger is a faster way to message.
avaamo - Simple, Secure Business Messaging