i2pd or I2P Daemon is a free and open source I2P client for Linux. I2P/Invisible Internet Protocol is a anonymous network layer. It encrypts the user’s traffic and IP by using end-to-end encryption and sending it through a distributed volunteer run network. It comes with rich set of APIs for developers of secure applications. I2P client is a software used for building and using anonymous I2P networks.It is written in C++ and released BSD 3-Clause “New” or “Revised” License.