Description: GoldBug is an open source, encrypted messaging application for Windows, macOS, Linux, iOS and Android. It provides end-to-end encryption of text messages, file transfers and voice calls between users.
Type: software
Pricing: Free
Description: Threema is a secure messaging app that emphasizes privacy and security with end-to-end encryption for all communications. It allows you to message and call other Threema users.
Type: software
Pricing: Open Source