Linphone

Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging.

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

linphone is an internet phone or voice over ip phone (voip). with linphone you can communicate freely with people over the internet, with voice, video, and text instant messaging. linphone makes use of the sip protocol, an open standard for internet telephony. you can use linphone with any sip voip operator.

a broad range of audio and video codecs are supported, including opus, speex and h264 (via a plugin). commercial support is available.

Links to official Linphone sites

Features

Video calling Encrypted VoIP calls

The Best 7 Linphone Alternatives

encrypted-chat filter is active.

324 Like

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)
144 Like

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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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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Zom

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.

Free Open Source Android iPhone

Voice messages Encrypted chat OTR Picture sharing
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Silent Phone

Silent Phone – Secure Encrypted Video & Voice Mobile Phone Calls You now have the ability to have secure encrypted phone calls between Silent Circle members...

Commercial Android iPhone Android Tablet iPad

Video calling Voice Call Encrypted chat Encrypted calls
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CallProtector

Encrypted secure Calls with CallProtector! App available on iOS & Android With CallProtector you can call others in a secure way, you only need working...

Free Android iPhone

Encrypted chat Encrypted calls
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Mobile Node

Chat, date, find taxis, manage projects and tasks and more all in one app. Mobile Node is a feature rich app that lets users to communicate securely, and since no...

Free Android

Encrypted chat Destroy files

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Linphone

Links to official Linphone sites

Features

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The Best 7 Linphone Alternatives

Signal

Wire

Conversations

Zom

Silent Phone

CallProtector

Mobile Node

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