Wire

Wire is a secure, open-source collaboration platform developed in Europe, focused on privacy-first team communication. Designed for enterprise-grade security and regulatory compliance, Wire unifies real-time messaging, voice, video, and file sharing in one encrypted workspace making it a trusted alternative to Microsoft Teams and Slack.

Key features include:

• End-to-End Encryption: All communications—messages, calls, and file transfers—are fully encrypted by default using state-of-the-art Messaging Layer Security (MLS).
• Flexible Deployment: Offers secure cloud, private cloud, and fully air-gapped on-premises deployments.
• Open Source: Transparent and independently audited codebase to ensure trust, extensibility, and compliance.
• Enterprise-Ready: Supports SAML-based SSO, SCIM provisioning, compliance with ISO 27001/27701, and GDPR.
• Multi-Device Sync: Seamless real-time sync across up to eight devices with full message history.
• Ephemeral Messaging: Enables time-limited conversations and minimal metadata retention.
• Guest Room Collaboration: Invite external stakeholders without compromising security.

Use cases include:

• Secure alternative to Microsoft Teams and Skype for Business
• Cross-border communication in regulated industries
• Emergency response and secure coordination
• Government, defense, and NGO collaboration
• Privacy-focused internal and external meetings