RetroShare is open source software for encrypted filesharing, serverless email, instant messaging, online chat, and BBS, based on a friend-to-friend network built on GNU Privacy Guard (GPG). Developed by DrBob
License: Open Source
Deluge is a torrent client known for its speed and lightweight design, making it ideal for downloading files, while RetroShare is a decentralized communication platform focused on privacy and security, catering to users looking for secure file sharing and messaging.