Orchestra – A chat-centric workspace for modern teams
Threads
Mattermost | Open Source Collaboration for Developers
Lark | Business Chat & Collaboration Tool
Noor - Chat for teams
Zulip — organized team chat
Jira | Issue & Project Tracking Software
Rock: Organize, discuss and get things done
Explore Rocket.Chat communication platform
Convy — reinventing messenger for remote teams
L’avenir du travail est sur Slack
Twist : une communication d'équipe claire et organisée
Fleep - a messaging app that works with email.