Tor Browser - Tor is free software for enabling anonymous communication.
Yggdrasil - A proof-of-concept scalable IPv6 meshnet, featuring end-to-end encryption, a unique spanning tree...
Orbot - Orbot is an open source ...
Bitmask - Bitmask is an open source application to provide easy and secure encrypted communication.
Onion.ly - Access the Tor and I2p networking without leaving your favorite browser.
FreePN - FreePN is the first open-source peer-to-peer VPN service. It's also fast, secure, and completely free.