Apps with 'OTR' feature

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Jitsi Desktop
Free • Open Source
Video Calling App
Web Conferencing Tool
Group Chat App
Mac
Windows
Linux
Online
BSD
Self-Hosted
78 Jitsi Desktop alternatives
Jitsi Desktop (previously SIP Communicator) is a legacy audio/video and chat communicator with full encryption, precedessor of Jitsi Meet .
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Jitsi Desktop Features
1. Privacy focusedJitsi Desktop is considered a privacy friendly alternative.
2. No registration requiredYou can use most of the features in Jitsi Desktop without registration.
3. Extensible by Plugins/ExtensionsJitsi Desktop can be extended with add-ons, plugins and extensions.
4. Multiple Account supportJitsi Desktop support multiple accounts without the need to logout and login
5. Desktop SharingJitsi Desktop enables you to share your screen with other people in the same office or working remotely.
Video Conferencing
SIP
Support for Multiple protocols
Live Meeting
Voice Chat
WebRTC
SIP client
Web-Based
Unlimited users
OTR
Discontinued
Jitsi Desktop is not actively developed anymore: last version, released in October 2017, can be still downloaded from GitHub. Its successor is Jitsi Meet
Top 3 alternatives
Conversations
Free • Open Source
Instant Messenger
Group Chat App
Encrypted Chat App
Android
Android Tablet
F-Droid
144 Conversations alternatives
Conversations is a privacy focused, open source XMPP Texting [Jabber] client for Android 4.0+ smart phones with wife-approved easy encryption [OTR, OMEMO, or GPG].
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Conversations Features
1. DecentralizedConversations is based on a decentralized infrastructure with no single entity controlling it.
2. End-to-End EncryptionConversations has E2E Encryption, for entire or parts of the app.
3. OpenPGPConversations supports OpenPGP, a standard of PGP encryption that is open-source for public use.
4. GPG EncryptionConversations supports GPG (aka GnuPG) for encryption of things like emails, messages, files, etc.
5. LightweightConversations consumes less device resources compared to similar apps.
6. Dark ModeConversations supports dark mode for comfortable usage in low light conditions.
7. Ad-freeConversations doesn't contain any form of external advertising.
8. Self Destructing MessagesConversations supports the use of private messages that will be auto deleted according to a specified time or action.
9. Privacy focusedConversations is considered a privacy friendly alternative.
Image Sharing
Encrypted Connection
Supports XMPP
OMEMO
OTR
Federated
Chat Bot
Intuitive Interface
Xmpp
Secure Chat
Top 3 alternatives
Adium
Free • Open Source
Instant Messenger
Mac
69 Adium alternatives
Adium is a free and open source instant messaging application for Mac OS X, written using Mac OS Xs Cocoa API, released under the GNU GPL and developed by the Adium team. Based on the libpurple protocol library, Adium can connect you to any number of messaging accounts on any...
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Adium Features
1. Support for ThemesYou can use themes and templates to change the look and feel of Adium.
Support for Multiple protocols
Xmpp
Supports XMPP
Multiple languages
Tabbed interface
Messages
OTR
Customizable
Discontinued
The last update is from March 2021.
Top 3 alternatives
Gajim
Free • Open Source
Instant Messenger
Video Calling App
Encrypted Chat App
Mac
Windows
Linux
BSD
Xfce
65 Gajim alternatives
The goal of Gajim is to provide a full featured and easy to use XMPP client. Gajim works nicely with GNOME, but does not require it to run. It is released under the GNU General Public License.
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Gajim Features
1. DecentralizedGajim is based on a decentralized infrastructure with no single entity controlling it.
2. Extensible by Plugins/ExtensionsGajim can be extended with add-ons, plugins and extensions.
3. PGP EncryptionGajim supports PGP, an encryption system used for sending encrypted emails and files.
OMEMO
Supports XMPP
Audio Calling
Xmpp
OTR
Tabbed interface
Multiple languages
Top 3 alternatives
ChatSecure
Free • Open Source
Instant Messenger
Encrypted Chat App
iPhone
iPad
106 ChatSecure alternatives
ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing accounts on Facebook or Google, create new accounts on public XMPP servers(including via Tor), or even connect to your own server for extra security.
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ChatSecure Features
Hidden chat
Xmpp
Integrated File Sharing
OTR
Top 3 alternatives
Psi+
Free • Open Source
Instant Messenger
Video Calling App
Mac
Windows
Linux
BSD
45 Psi+ alternatives
Psi is a cross-platform powerful XMPP client designed for experienced users. Psi+ is a development branch of Psi with rolling release development model.

Users who wants to receive new features and bug fixes very quickly may use Psi+ on daily basis. Users who do not care about ne.
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Psi+ Features
1. VoiP CallsPsi+ allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
Xmpp
Support for Multiple protocols
OTR
Top 3 alternatives
aTalk
Free • Open Source
Instant Messenger
Group Chat App
Encrypted Chat App
Android
F-Droid
218 aTalk alternatives
An encrypted instant messaging with video call and GPS features for android.
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aTalk Features
1. VoiP CallsaTalk allows you to make voice calls over Internet using the Voice over Internet Protocol (VoIP).
2. Text to SpeechaTalk allows you to transform written text into spoken text.
3. Works OfflineaTalk can be used without the need to connect to the internet.
4. Multiple Account supportaTalk support multiple accounts without the need to logout and login
5. AES-256 EncryptionaTalk has AES-256 Encryption, i.e. very strong security.
6. Support for ThemesYou can use themes and templates to change the look and feel of aTalk.
7. End-to-End EncryptionaTalk has E2E Encryption, for entire or parts of the app.
Built-in player
Stickers
Speech Recognition
DNSSEC
Built-in Photo editor
Multiple languages
Integrated File Sharing
OMEMO
OTR
Top 3 alternatives
StealthChat
Free • Proprietary
Encrypted Chat App
Android
iPhone
Android Tablet
50 StealthChat alternatives
StealthChat is a new secure app for calling and chatting with your friends and partners. With advanced encryption technology, your phone calls and chat messages are private. All calls and messages are free over cellular and Wi-Fi connections.
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StealthChat Features
1. Self Destructing MessagesStealthChat supports the use of private messages that will be auto deleted according to a specified time or action.
Security focused
Secure Chat
OTR
Top 3 alternatives
Sipnetic
Freemium • Proprietary
Video Calling App
Instant Messenger
Android
11 Sipnetic alternatives
Sipnetic is a free VoIP softphone based on the SIP protocol. Sipnetic supports voice and video calls, instant messages, presence information and end-to-end encryption.
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Sipnetic Features
1. End-to-End EncryptionSipnetic has E2E Encryption, for entire or parts of the app.
Voice messages
OTR
SIP
Voice Chat
SIP client
Top 3 alternatives
Zom
Free • Open Source
Encrypted Chat App
Android
iPhone
Android Tablet
iPad
99 Zom alternatives
Zom's security and privacy features are powered by the amazing foundation created by the ChatSecure project, and works with other great apps like Conversations.
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Zom Features
1. Privacy focusedZom is considered a privacy friendly alternative.
Xmpp
Image Sharing
Voice messages
OTR
Secure Chat
Stickers
Integrated File Sharing
Add a screenshot
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Jitsi Desktop Features

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Conversations Features

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Adium Features

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Gajim Features

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ChatSecure Features

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Psi+ Features

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aTalk Features

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StealthChat Features

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Sipnetic Features

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Zom Features

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