aTalk is an XMPP client designed for Android that supports the following features:

- Instant messaging in plain text and end-to-end encryption with OMEMO.
- SSL certificate authentication, DNSSEC, and DANE security implementation for enhanced secure connection establishment.
- OMEMO encryption in group chat sessions to enhance privacy and security.
- OMEMO media file sharing for all files, including stickers, Bitmoji, and emoji-rich content.
- HTTP file upload support for sharing files with off