GNUnet

MUTE File Sharing is a peer-to-peer network that provides easy search-and-download functionality while also protecting your privacy. http://en.wikipedia.org/wiki/MUTE

StealthNet is based on the original RShare client and has been enhanced by a developer team who consists of Planet Peer community members. In comparison with the current RShare client …

I2P is an anonymizing network, offering a simple layer that identity-sensitive applications can use to securely communicate. All data is wrapped with several layers of encryption, and the network is …

JonDo is a free proxy software for accessing so-called JonDonym mix cascades. The JonDonym anonymous proxy technology is based on the principle of multiple (layered) encryption, distribution and processing...

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 …

OpenVPN — свободная реализация технологии виртуальной частной сети с открытым исходным кодом для создания зашифрованных каналов типа точка-точка или сервер-клиенты между компьютерами.

Psiphon — бесплатный инструмент для обхода цензуры в Интернете с открытым исходным кодом, в котором используется сочетание технологий защищенной связи и обфускации (VPN, SSH и HTTP-прокси). Psiphon — это централизованно …

Anomos is a pseudonymous, encrypted multi-peer-to-peer file distribution protocol. It is based on the peer/tracker concept of BitTorrent in combination with an onion routing anonymization layer, with the added...

RetroShare is a Open Source cross-platform, private and secure decentralised communication platform. It lets you to securely chat and share files with your friends and family, using a web-of-trust to...

Freenet is free software which lets you anonymously share files, browse and publish "freesites" (web sites accessible only through Freenet) and chat on forums, without fear of censorship. Freenet is...