Bitmessage is a decentralized, open-source, peer-to-peer messaging and file sharing application that enables users to securely send and receive encrypted messages and files without the need for a centralized server. It uses strong encryption to ensure that the messages and files sent through the network are secure. The application allows users to create public and private keys to sign and verify messages, as well as to encrypt and decrypt messages and files. Bitmessage also allows users to send messages and files anonymously, as the messages are routed through the network and not stored on any central server. In addition, Bitmessage employs end-to-end encryption, meaning that only the sender and the recipient can see the contents of the message or file. The network is distributed across many computers, making it resistant to censorship and other forms of manipulation.
Discontinued The project is no longer being developed since 2014. The latest version, 0.9.9.553, released in September 2012, can still be downloaded from GitHub.