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
Fleep for Business - Simple, open collaboration and chat with admin capabilities
Beekeeper - The #1 All-in-One communication & productivity platform used for reaching and connecting every individual in an organization.
Taskworld - Taskworld is a cloud-based collaboration platform that increases productivity, engagement at work.