Slack - A messaging app for teams who see through the Earth!
HeySpace - HeySpace is the only free task and simple project management software with communication and collaboration feature.
Notion - All-in-one workspace. One tool for your whole team. Write, plan, and get organized.
Zellim - Stay connected and work together better with Zellim
Skarpline - Skarpline provides centralized enterprise messaging, link sharing and file management to improve productivity.
Missive - Team communication app now supporting FB, Twitter & SMS