Threema. The Secure Messenger
Threema GmbH
Threema - Private Messenger
junemoney
Threema Work. For Companies
Threema Voice Message Plugin
Threema QR Scanner Plugin
Threema OnPrem. Self-Hosted
Signal - 안전한 메신저
Signal Foundation
Google 메시지
Google LLC
SafeSwiss® - 암호화된 메신저
Safeswiss Secure Communications
Telegram X
Telegram FZ-LLC