Cotap - Cotap is a simple, secure mobile messaging app for fast, easy workplace communication.
Slack - A messaging app for teams who see through the Earth!
Salsa - Anonymous messages in your workplace
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.
Beekeeper - The #1 All-in-One communication & productivity platform used for reaching and connecting every individual in an organization.
Wrinkl - Group messaging built for business