The Invisible Internet Project ( I2P ) is a computer network layer that allows applications to send messages to each other pseudonymously and securely . Uses include anonymous web surfing , chatting , blogging and file transfers . The software that implements this layer is called an I2P router and a computer running I2P is called an I2P node . The software is free and open source and is published under multiple licenses . The name I2P is derived from Invisible Internet Project , which, in pseudo- mathematical notation , is represented as I²P . 32/64bit Linux , Windows , OS X , BSD and Android is available for I2P. Using ports list link is https://geti2p.net/en/faq#ports and download link is https://geti2p.net/en/download . iMule is P2P software for I2P network. iMule is similar to eDonkey and eMule. I2P is an anonymous network. It can be used for anonymous P2P softwares, For example, iMule . And you have to encrypt your data by an encryption software, e.g.,