Xabber

Xabber is a free, open-source XMPP client for Android, offering multi-account support, a clean interface, and robust security. It’s ad-free, fast, and compatible with all standard XMPP servers. Features include end-to-end encryption, file sharing, and customizable notifications. Available for browsers, with iOS coming soon. Visit xabber.com for more info or follow @xabber_xmpp on Twitter.