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 feature-rich decentralized communication platform that supports various types of media and community features, while Torchat focuses on anonymity and simplicity. RetroShare is more versatile with its support for video and voice calls, whereas Torchat excels in providing a lightweight, anonymous chat experience.