GNUnet is a free software framework for decentralized, peer-to-peer networking and an official GNU package. Developed by Christian Grothoff
License: Open Source
GNUnet is a decentralized framework focused on privacy and anonymity, offering strong file-sharing capabilities and censorship resistance, but with a steeper learning curve. Shadowsocks, on the other hand, is a user-friendly proxy that excels in performance and is effective for bypassing internet censorship, making it suitable for users in restrictive regions.