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Messenger & Conferences

Messenger with encryption

XMPP/Jabber

The following apps support the XMPP protocol, originally known as Jabber. This is one of the oldest protocols in the instant-messaging world, but still very fresh and constantly being improved.

• Snikket (4.7@29) Ǥ 28 Github; XMPP client forked from Conversations
• Quicksy (4.6@123) Ǥ 28 Github; Vorstellung 11/2018; fork of Conversations using your phone number as ID
• Conversations (Jabber / XMPP) (4.3@2,182; ~EUR 4.00) Ǥ 29 1 / Share Location Plugin (4.6@95) Ǥ 7 LastUpdate: 2017-12-28 / Voice Recorder Plugin (4.2@58) 3 LastUpdate: 2016-11-13 Github; XMPP/Jabber; PGP/OTR/OMEMO; Wikipedia DE | EN; Vorstellung & Schnelleinstieg 5/2016; Anleitung für Anfänger 7/2018; ausführliche Vorstellung 9/2020
• blabber.im (4.2@205) Ǥ 29 Github; fork of Conversations
• aTalk (Jabber / XMPP) (3.6@92) 20 Github
• Xabber (3.5@12,329) Ǥ 11 LastUpdate: 2019-11-27 Github
• Stork IM (3@61) Ǥ 17 2 Github
• Cheogram (0@0) 27 fork of Conversations
• monocles chat (0@0; ~EUR 2.00) Ǥ 30 Codeberg
• monocles social (0@0) 4 Codeberg; based on movim
• Moxxy (0@0) 10 Codeberg

Matrix/riot/Element

These are clients for the Matrix protocol. Don't mind the triple naming – it seems they like to rename the project a lot

• SchildiChat (4.9@72) Ǥ 30 Github; Review 10/2020
• FluffyChat (4.2@212) Ǥ 24 1 GitLab; also available via its own F-Droid repo; supports UnifiedPush
• Syphon (4.2@65) 9 Github; Matrix
• Element - Secure Messenger (3.9@4,035) Ǥ 25 Github; Video Anleitung 3/2021; Wikipedia DE | EN
• Librem Chat (3.5@69) Ǥ 30 LastUpdate: 2020-04-11 fork of Riot.im
• Ditto (0@0) Ǥ 8 LastUpdate: 2021-01-01

Miscellaneous encrypted messenger

• Watomatic - Auto Reply for WhatsApp & Facebook (4.6@655) 4 Github; Vorstellung 2/2021 | 3/2021; Intro 2/2021; leaving WhatsApp? Tell where you've gone to with this auto-responder!
• Signal Private Messenger (4.5@2,097,906) Ǥ 54 Vorstellung 8/2018-2/2022 | Video-Vorstellung 1/2020; ausführlicher Test 12/2020; "Crypto-SMS" und verschlüsselte Telefonie (ehemals TextSecure + RedPhone)
• Threema (4.5@70,216; ~EUR 5.00) Ǥ 26 2 / Threema Work (3.7@1,490) Ǥ 29 Github; Video Review 4/2016 (DE) | 3/2019 (DE); Video Backup & Restore (3/2019); Video Threema Webchat Howto 2/2017 (DE); Threema Video Tutorials; Test 4/2016; Vorstellung 8/2018 | 11/2018-1/2021; Wikipedia DE|EN; Audit 11/2015 | 3/2019; (Datenschutz-) Testbericht 2/2020 ; FAQ; Libre (FOSS) version available via Threema’s own F-Droid repo; messenger with end-to-end encryption
• ShazzleChat (4.5@4,615) Ǥ 15 2 Intro 5/2020
• Delta Chat (4.5@2) 25 / Delta Chat (4.2@850) 25 Github; ausführlicher Testbericht 7/2020 / Vorstellung 6/2019 | 2/2020 | 4/2020; Wikipedia DE
• SafeSwiss® - Encrypted Messenger (4.4@568) Ǥ 29 3 Review 9/2021
• whispeer Messenger (4.4@32) Ǥ 18 2 LastUpdate: 2018-08-01 Github; DerStart 8/2015; FU-Berlin 5/2017
• Rocket.Chat (4.3@11,382) Ǥ 23 3 Github; chat with screen and file sharing, and more
• surespot encrypted messenger (4.3@4,210) Ǥ 10 3 LastUpdate: 2019-04-30 Github; Wikipedia DE|EN; send encrypted messages. unlock voice messages per in-app payment. AES end-to-end encryption.
• Briar (4.3@2,177) 16 Video Intro 7/2017; Video Review 7/2018 | 9/2020; Vorstellung 9/2018 | 10/2019 | 4/2020; Wikipedia DE | EN; FreieMessenger; ausführliche Besprechung 11/2020
• Nekogram X (4.3@1,263) 38 Github
• SimpleX Chat (4.3@23) 11 1 Github
• Wickr Me – Private Messenger (4.2@88,422) Ǥ 23 3 Wikipedia EN; end-to-end encryption with mission-impossible-flair (self-destructing messages)
• Session - Private Messenger (4.2@3,130) Ǥ 28 1 / Session F-Droid (0@0) 26 Github / Github
• Telegram (4.1@11,268,284) Ǥ 45 Github; Testbericht 7/2016 | 3/2020; Vorstellung 8/2018-1/2021; Security Analysis 5/2017; Video Erklärung 7/2019; Wikipedia DE|EN; encryption and self-destruct timer
• Hoop Messenger (4.1@5,140) Ǥ 33 3 Intro 4/2020
• ginlo Private Messenger (4@509) Ǥ 26 2 Vorstellung 9/2018-7/2020
• Nextcloud Talk (3.7@1,191) Ǥ 33 Github
• Jami (3.6@1,443) Ǥ 20 Wikipedia EN; FAQ; Vorstellung 12/2019 | 5/2020; Testbericht 3/2020; Review 1/2021; desktop clients for Linux, Mac, Windows
• Kontalk Messenger (3.6@614) 31 LastUpdate: 2020-07-12 Github; Vorstellung 8/2018
• aTox (3.6@160) 5 Github
• TigerConnect - Clinical Solutions (3.1@5,349) Ǥ 31 3
• Chiffry Secure Messenger (3.1@862) Ǥ 28 1
• TRIfA (3@110) 14 Github; Tox client
• Wire - Secure Messenger (2.7@34,905) Ǥ 20 Github; Testberichte 4/2017 | 3/2020; Privacy-Warnung 7/2018; Vorstellung 8/2018 - 4/2020; free/gratis, encrypted communication: voice, video and group chats; cross platform: Android, iOS, Mac, Windows. Or in the web browser.
• Anonymous Messenger (2@46) 10 peer-to-peer, works over TOR
• moin (2@7) 6 LastUpdate: 2021-01-10 GitLab; based on IPFS
• Dib2Qm (0@0) 10 GitLab; based on IMAP and QuickMSG (no centralized server)

Video and Audio Conferences

• Mumla — Mumble VoIP (4.4@299) 13 GitLab; audio calls/conferences; client for Mumble (Wikipedia DE | EN)
• Skype (4.1@11,463,703) Ǥ 43 4
• Jitsi Meet (3.7@50,282) Ǥ 18 Github; Anleitung 3/2020; Video Kurzanleitung 3/2020; Vorstellung 4/2020
• Nextcloud Talk (3.7@1,191) Ǥ 33 Github
• Jami (3.6@1,443) Ǥ 20 Wikipedia EN; FAQ; Vorstellung 12/2019 | 5/2020; Testbericht 3/2020; Review 1/2021; desktop clients for Linux, Mac, Windows
• Wire - Secure Messenger (2.7@34,905) Ǥ 20 Github; Testberichte 4/2017 | 3/2020; Privacy-Warnung 7/2018; Vorstellung 8/2018 - 4/2020; free/gratis, encrypted communication: voice, video and group chats; cross platform: Android, iOS, Mac, Windows. Or in the web browser.
• Infomaniak kMeet (0@0) Ǥ 14 1 Github