Jitsi

Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP...

Free
Open Source
Mac OS X
Windows
Linux
Android
BSD
Web

jitsi (previously sip communicator) is an audio/video and chat communicator with full endtoend encryption that supports protocols such as sip, xmpp/jabber, icq/aim, windows live, yahoo!, gtalk/hangouts extensions, as well as otr, zrtp, etc.it can handle every firewall, and has many other useful features.

jitsi is completely open source / free software, and is freely available under the terms of the gnu lesser general public license.

Links to official Jitsi sites

Facebook
Official Website
Twitter

Features

Video calling Multiple Account support Group chat WebRTC End to end encryption Multiple protocols iPhone/iPod sync OTR

The Best 17 Jitsi Alternatives

group-chat filter is active.

971 Like

Telegram

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free. It is like SMS, but more powerful. .

Free Mac OS X Windows Linux Android iPhone Web Blackberry Mac Windows Mobile

Portable Privacy protection Ad free Built in File transfer IFTTT integration Works Offline Share files Video calling Voice Call Cloud sync Multiple Account support Lightweight Group chat Multi Device Support Voice messages Search by tags Support for Themes Chat Bot Encrypted chat Photo Sharing Public groups chat Push to talk Anonymous Secure Filesharing End to end encryption Self destructing messages Share Videos Based on phone number Stickers Send Big files Portable Linux In Game Overlay Built in Photo editor Encrypted calls Encrypted VoIP calls GPS Location Tracking Messages in cloud Persistent History Secret chats
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Hangouts

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Free Windows Android iPhone Android Tablet iPad Chrome OS Web Chrome

Voice Call Gmail integration Group chat Multi Device Support Texting Voice messages WebRTC
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Tox

Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

Free Open Source Windows Linux Android iPhone Android Tablet BSD Mac

Privacy focused Security focused Ad free Built in player Share your screen Video calling Group chat Texting Encrypted chat Anonymous Secure Filesharing Client side encryption Decentralized End to end encryption Peer To Peer
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Signal

TextSecure and RedPhone have been merged to create Signal! Using Signal, you can communicate instantly while avoiding SMS fees, create groups so that you can chat in real time with all your friends at once, and share media or...

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Chrome

Privacy protection Security focused Built in File transfer Works Offline Video calling Voice Call Group chat Texting Voice messages Protected by Password Encrypted chat End to end encryption Cross platform Encrypted Connection Mobile friendly Self destructing messages Color coding Based on phone number Private messaging Encrypted calls Encrypted VoIP calls Forward Secrecy Send files Video chat (Encrypted)
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Facebook Messenger

Facebook Messenger is a faster way to message. Reach friends right on their phones, get and send messages fast, message everyone at once and more.

Free Windows Android iPhone Android Tablet iPad Web Blackberry Apple Watch

Video calling Voice Call Group chat
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Wire

Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group chats, file sharing, audio and video messages - everything is end-to-end encrypted.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Web

Privacy focused Security focused Share your screen Video calling Voice Call Group chat WebRTC Encrypted chat Photo Sharing End to end encryption Integrated File Sharing Privacy Protected Encrypted calls Video chat (Encrypted)
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Mattermost

mattermost is an open source, self-hosted slack alternative.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet iPad Self-Hosted

MarkDown support Group chat Slack integration Team Collaboration Integrated File Sharing Data API On premises software Plugin API
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appear.in

Video conversations with up to 8 people in your browser - no downloads, no login. Just name your channel and you are on. Works in all modern browsers, even mobile.

Freemium Windows Android iPhone Android Tablet iPad Chrome OS Web

Group chat WebRTC No registration required Anonymity Anonymous email Stickers No installation
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Conversations

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].

Free Open Source Android Android Tablet

Group chat Encrypted chat Decentralized End to end encryption Self destructing messages OTR Picture sharing
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Spark

Spark is an Open Source, cross-platform IM client optimized for businesses and organizations. It features built-in support for group chat, telephony integration, and strong security.

Free Open Source Mac OS X Windows Linux Self-Hosted

Extensible by Plugins/Extensions Tabbed interface Group chat
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SeaFour.club

SeaFour.club is a socket webchat supporting aesthetic username customization and stylized messages using a markup language similar to 'LISP', and supports a multitude of alternative clients. .

Free Open Source Linux BSD Web

Ad free Lightweight Group chat
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JumpChat

Jump into a video chat with your friends without the need for creating accounts. Chat using just a WebRTC supported browser or phone.

Free Android iPhone Android Tablet iPad Web

Group chat WebRTC Encrypted chat
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Video4sure

With group calls up to 256 users, Video4sure is an easy way to make video calls or setup group meetings. No need to register, install or pay.

Free Web Chrome Firefox Opera

Privacy protection Voice Call Group chat Voice messages Encrypted chat Encrypted Connection Encrypted calls
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Messenger Lite

Messenger Lite is a fast and data-efficient messaging app to reach the people in your life. Installs quickly. It's less than 10MB to install, saving storage space...

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Voice Call Lightweight Group chat Stickers
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linkchat

Free online meeting service with audio, video, chat and screen-sharing features. Add-ons for Google Chrome, Apple Safari, Opera and Firefox available.

Freemium Web Chrome Firefox Opera

Share your screen Group chat Browser integration Browser based app Stream audio Supports HD Video
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Dino

Modern Jabber/XMPP Client using GTK+/Vala.

Free Open Source Linux

Multiple languages Multiple Account support Group chat End to end encryption Picture sharing
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Skype Lite

Skype Lite lets you send free text messages and make voice & video calls even under limited network conditions. Stay connected Skype Lite is optimized for 2G and...

Free Android Android Tablet

Video calling Voice Call Lightweight Group chat Reduce mobile data usage

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Jitsi

Links to official Jitsi sites

Features

Categories

Tags

The Best 17 Jitsi Alternatives

Telegram

Hangouts

Tox

Signal

Facebook Messenger

Wire

Mattermost

appear.in

Conversations

Spark

SeaFour.club

JumpChat

Video4sure

Messenger Lite

linkchat

Dino

Skype Lite

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