Rockliffe Systems
StealthChat: Free Encrypted Calls and Chats
FreeStealthChat is a secure app for calling and chatting with your friends and partners. With advanced encryption technology, your phone calls and chat...
iOS
AstraChat - Direct XMPP & VOIP Client
FreeAstraChat is a standalone and lightweight Jabber (XMPP) client application with VOIP calling that connects directly to your XMPP server without any...
iOS