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 focuses on anonymity and privacy, providing a robust protocol stack for various applications, while ZeroNet leverages blockchain technology for content verification and ease of use in hosting. GNUnet is ideal for users prioritizing privacy, whereas ZeroNet is suited for those looking for a more user-friendly decentralized web experience.