aTalk Jabber XMPP, developed by cmeng, is a free-to-use social and communication application for Android. This feature-rich XMPP client allows instant messaging in plain text and end-to-end encryption with OMEMO or OTR. It supports SSL certificate, DNSSEC, and DANE for secure connection establishment.

You can enjoy fault-tolerance file transfer algorithms, ease with sharing reliability, file sharing for all document types and images with thumbnail preview. aTalk Jabber XMPP supports unread message badges in contact and chat room UI, user-defined options for quiet hours, and text to speech and speech recognition for chat sessions. It also implements Jabber VoIP-PBX gateway telephony support, providing call waiting, placing current call on hold, and switching between calls.

Moreover, users can enjoy a 360° street view of their current location, use it for self-guided tours, and send GPS location to their desired buddy for real-time tracking or playback animation. The application also features an integrated photo editor with zooming and cropping for the avatar, last message correction, message carbons, and offline messages. The application supports multiple accounts, dark and light themes, and multi-language support (Bahasa Indonesia, Chinese Simplify, English, German, Portuguese, Russian, Slovak and Spanish).