Wire
Wire is a secure collaboration and messaging platform from Berlin with end-to-end encryption for messages, calls and file sharing. It targets both private users and enterprises.
Wire is developed in Berlin, Germany, and is fully GDPR compliant. Every message, call and shared file is end-to-end encrypted using the Messaging Layer Security (MLS) standard which Wire helped develop.
Wire is open source and offers on-premises deployment for organizations with strict data sovereignty requirements, making it a European alternative to Slack, Teams and WhatsApp in one.
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