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
RetroShare is a versatile decentralized communication platform that emphasizes security and community features, while Bit Chat focuses on chat functionality and ease of use. Both offer strong encryption, but RetroShare provides a more comprehensive suite of communication options.