@slash @iska@mk.starnix.network

Retroshare establish encrypted connections between you and your friends to create a network of computers, and provides various distributed services on top of it: forums, channels, chat, mail... Retroshare is fully decentralized, and designed to provide maximum security and anonymity to its users beyond direct friends. Retroshare is entirely free and open-source software. It is available on Android, Linux, MacOS and Windows. There are no hidden costs, no ads and no terms of service
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Retroshare allows you to create a network of computers (called nodes). Every user has it's own node. The exact location (the IP-address) of nodes is only known to neighbor nodes. You invite a person to become a neighbor by exchanging your Retroshare certificates with that person.

Links between nodes are authenticated using strong asymmetric keys (PGP format) and encrypted using Perfect Forward Secrecy (OpenSSL implementation of TLS).

On top of the network mesh, Retroshare provides services to securely and anonymously exchange data with other nodes in the network beyond your own friends.
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Network topology: decentralized Friend to Friend network (F2F)
Transport: TCP, UDP, Tor, I2P
UPnP / NAT-PMP port forwarding support
Optionally use DHT to locate friends
Optionally use dynamic DNS
Connect to friends behind NAT with UDP
Transport encryption with TLS (OpenSSL)
Authentication with PGP keys
Services: chat, multi-user chat, file search and sharing, forums, channels, Retroshare mail
Extensible through JSON API and plugins