💬 Reliable instant messaging with multi-profile and multi-device support
⚡️ Sign up to secure and interoperable chatmail relays
🥳 Interactive web apps in chats for gaming and collaboration
🔒 Audited end-to-end encryption safe against network and server attacks
👉 FOSS software, built on Internet Standards, avoiding xkcd927 :)
Being email based means it’s also asynchronous. Even if your comms have to move on flash drives in the mail, you’re still good