Telegram - Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Seald - Keep your conversations secure, everywhere.
Facebook Messenger - Facebook Messenger is a faster way to message.
Xifrem Chat - Client-side encrypted chat with asymmetric encryption
Amity - Amity's Customer Relationship Hub simplifies customer success management.
Brie.fi/ng - Start secure group video chat