e2ee

Private Discuss

France

French secure collaboration suite from Limonest (Lyon area): E2EE video, webinars, messaging, co-editing, and admin controls for government and sensitive organisations, with SaaS or on-premise deployment.

Proton Mail

Switzerland

Swiss end-to-end encrypted email from Proton AG: zero-access inbox storage, open-source clients, custom domains, and Bridge for desktop IMAP clients.

Wire

Switzerland

Swiss open-source secure messenger from Wire Swiss GmbH: always-on E2EE messaging, calls, and files (MLS), cloud or on-premises, for regulated teams and public sector.

ginlo Business

Germany

German-hosted secure business messenger from Munich-based ginlo.net GmbH: E2EE chat, files, and A/V calls with Management Cockpit admin for AD/LDAP, policies, and external ginlo Private contacts.