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Communication apps — AlternativeTo
Category
Communication
Chat, messaging and team communication
WhatsApp
Simple, reliable, private messaging
Free
Microsoft Teams
Chat, meet, and collaborate in one place
Freemium
Element
Secure messaging on the Matrix network
Open source
Rocket.Chat
The communications platform you can fully control
Open source
Mattermost
Open source platform for developer collaboration
Open source
Signal
Say hello to privacy
Open source
Telegram
A new era of messaging
Free
Discord
Your place to talk
Freemium
Slack
Where work happens
Freemium