TeleGuard

TeleGuard is a Swiss-made secure messenger developed by Swisscows. It offers high-level encryption and prioritizes user privacy, storing no user data on its servers and requiring no phone number or user identification data. Compliant with Swiss data protection law and GDPR, TeleGuard offers secure messaging, voice and video calls, and supports synchronization across multiple devices. Available on iOS, Android, Windows, and MacOS. it's free to use, funded by donations.