Session is a decentralized end-to-end encrypted messaging app that lets you register anonymously with a 66-character Session ID and routes messages through 1000+ service nodes, a leading tool for privacy and anonymous communication.
Element is an end-to-end encrypted messaging client built on the open Matrix protocol, headquartered in London, United Kingdom, with E2EE by default, decentralized federation, open source, and ISO/IEC 27001:2022 certification.
Signal is operated by the non-profit Signal Foundation using Signal Protocol end-to-end encryption, backed by $50 million in funding, free forever with no ads, and is the security benchmark recommended by privacy experts worldwide.