Session is an end-to-end encrypted messenger that removes sensitive metadata collection, and is designed for people who want privacy and freedom from any forms of surveillance.
RetroShare
Retroshare Uspostavite šifrirane veze između vas i vaših prijatelja kako biste stvorili mrežu računala i pružaju različite distribuirane usluge na vrhu: forumi, kanali, chat, pošta ...