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Mobile app · Internet & communication

aTalk

XMPP/Jabber client with encrypted instant messaging and video calls.

  • Completely free
  • Android
  • Open source

Overview

aTalk is a messaging mobile app, available on Android.

Features described in its F-Droid listing, on its official website and in its GitHub repository: end-to-end encryption, group chats and calls, file sharing, multiple accounts, multi-user support.

Services and protocols mentioned: XMPP.

Overview written by LicitPro from the documentation published by the authors and the cited sources; we have not tried the resource ourselves.

Excerpts that establish this information
  • “XMPP/Jabber client with encrypted instant messaging and video calls” — F-Droid, 10 November 2026
  • “Instant messaging in plain text and End-to-End encryption with OMEMO” — F-Droid, 10 November 2026
  • “OMEMO encryption in group chat session enhancing privacy and security” — F-Droid, 10 November 2026
  • “OMEMO Media File Sharing for all files including Stickers, Bitmoji and Emoji rich contents” — F-Droid, 10 November 2026
  • “Support Text to Speech and speech recognition UI with enable option per chat session (contact and group chat)” — F-Droid, 10 November 2026
  • “Support Text to Speech and speech recognition UI with enable option per chat session (contact and group chat)” — F-Droid, 10 November 2026
  • “ZRTP crypto algorithms uses SHA-2 384, 256bit ciphers AES256 & TWOFISH-256, enabling elliptic with Curve 25519” — F-Droid, 10 November 2026
  • “Multiple accounts creation” — official website, 10 November 2026
  • “an encrypted instant messaging with video call and GPS features for android” — GitHub, 10 November 2026
  • “Multi-user chat Join or create room with full room configuration support for owner” — official website, 10 November 2026

At a glance

aTalk is completely free: it is open source software, and every feature is available without paying or subscribing.

Its licence (Apache-2.0) is a permissive open source licence: use, modification and redistribution are allowed, including in commercial projects.

Strengths

  • Open source code
  • No advertising
  • Commercial use allowed

Sources and checks

  • Facts collected from F-Droid (credit card, source code, publisher, licence, free status, platforms, ads, commercial use, version) —
  • Last technical check: 6 November 2026
  • Description from F-Droid — F-Droid (citation courte)

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