Best Free And Open Source Messenger And VoIP Android Apps For Privacy Concerned People

Best Free And Open Source Messenger And VoIP Android Apps For Privacy Concerned People

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Are you sure your messenger Android apps didn’t spy on you ? 

About 50% of people are concerned about their privacy while using messenger or VoIP apps in Android. Still many of the apps swore to protect our privacy by supporting end-to-end encryption and other security features — we still doubted our safety from this big spying eyes companies.

How to be private ?

If you are concerned about your privacy then use an open source messenger app to do your private chats. In this article we are going to list some high quality alternatives to the big proprietary messengers.

Also Read : Be alert before using these 10 popular Android apps

All these listed open source messenger and VoIP Android apps supports end-to-end encryption and download links are also provided.

All these apps are best alternatives for WhatsApp, Viber, Facebook Messenger, Skype etc…

Open Source Messenger And VoIP Android Apps :


1. Signal :

Signal is an end-to-end encrypted open source messenger. They run their own server and the cryptography is similar to the proven OTR and done by specialists. Group chat is supported and you can send media files. VoIP is also supported. There is also an iOS version. Here is the source code.

Android users can install it from Google Play.

2. Telegram :

May be the favourite open source messenger Android app of  majority of people. Telegram is an encrypted messenger just like WhatsApp and supports end-to-end encryption when choosing the “secret chat” option. It also has all the other things you would want from a messenger like group chats and photo/video sharing. Source code is available in GitHub.

You can download app from Google Play.

3. Conversations :

A free and open source Jabber/XMPP client for Android. Easy to use, reliable, battery friendly. With built-in support for images, group chats. Supports end-to-end encryption using OTR or OpenPGP. Source code is available on GitHub.

Since app is priced $2.99 on Google Play but you can download it as free from F-Droid.

4. Xabber :

Xabber — another open source Jabber (XMPP) client with multi-account support and clean and simple modern material interface. Source code is provided on GitHub.

In Google Play you can find two versions of Xabber — free version and a supported version priced $2.99. Its also freely available in F-Droid.

Also Read : Ultimate List Of Best Android Hacking Apps For Noobs And Experts (Updated 2016)

5. CSipSimple :

CSipSimple is an openSource project for SIP on Android. It is one of the best VoIP open source Android app which guarantees high performance and supports end-to-end encryption — crypto : TLS for SIP and SRTP/ZRTP for media. Source code is available on Google Code.

Install it from Playstore.

6. Kontalk :

Kontalk is an end-to-end encrypted messenger, based on Open Standards (XMPP and OpenPGP). It automatically encrypts all messages and media without any user intervention. Kontalk is a completely Open Source community project, with all the source code hosted on GitHub .

Download it as free from Google Play.

7. Surespot Encrypted Messenger :

Everything sent using surespot is end-to-end encrypted with symmetric-key encryption (256 bit AES-GCM) using keys created with 521 bit ECDH shared secret derivation, but you wont notice because security in surespot is built-in, not a layer over something else.

One of the noteable feature is you have control over your messages, when you delete a sent message it will be removed from the receiver’s phone and images are not shareable unless you make them so. You can find surespot source code on GitHub listed under ‘surespot‘.

And download it from Google Play.

8. Linphone :

Another VoIP Android app with easy to use SIP client with video and end-to-end encryption support. It also feature  audio conference calls with various participants. You can get source code from their official website.

App is available as free on Google Play.

That’s it.

Use these open source messenger and VoIP Android apps and be sure no one else can see your messages. Because these  apps make it confirm — everything you send can only be read by the person you sent it to.

So which private messenger app are you going to use ? And don’t forget to share the information with your dear ones. And comment if you know any other similar messenger.

Also Read : 17 Best open source softwares to replace your expensive applications

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