RetroShare is a open source cross-platform, private and secure decentralized communication system. It lets you to securely chat, share photos, videos, and more, using OpenPGP to authenticate peers and .
ZeroNet uses cryptography (Bitcoin library) and BitTorrent DHT (centralized trackers) to build a distributed censorship-resistant network.
The last release is from September 2019.
GNUnet is a framework for secure peer-to-peer networking that does not use any centralized or otherwise trusted services. A first service implemented on top of the networking layer allows anonymous censorship-resistant file-sharing.
Calypso, formerly Kommute, is a cross platfrom file sharing client using the anonymous network MUTE. Developped using C++ and Qt. For windows and linux, portable to other environments. You can try it by following the installation instructions below.
The project is no longer developed. Last version, 0.24, released in May 2010, can be still downloaded from the official website.
Phex is a peer-to-peer file sharing client for the Gnutella network. It is free software and without spyware or adware. Phex is released under the GNU General Public License. Phex is based on Java technology and therefore available for many different systems that offer a Java 1.Discontinued
Last stable update was in Feb 2009. See http://www.phex.org/mambo/
Nullupload.com We don't track you. Private file hosting. Privacy matters. Anonymous file upload.Discontinued
Main server is full and not allowing uploads anymore.
Perfect Dark is an anonymous peer to peer network which aims to become the #1 in Japan. You have to share at least 40 Gigabyte of your hard drive which is used for the networks exceptional storage system which works like a global RAID array.