Kontalk

Kontalk is an open source replacement for WhatsApp. Server and client software are open and hosting your own server is possible but not required. All communication is encrypted.

Free
Open Source
Android
Self-Hosted

Kontalk is an open source replacement for WhatsApp. Server and client software are open and hosting your own server is possible but not required.All communication is encrypted.

Links to official Kontalk sites

Official Website
Twitter
Facebook

Features

The Best 35 Kontalk Alternatives

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
590 Like

WhatsApp Messenger

WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.

Free Mac OS X Windows Android iPhone Android Tablet Web Blackberry S60

Built in File transfer Video calling Group chat Voice messages Encrypted chat End to end encryption Mobile friendly Based on phone number
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)
287 Like

Viber

Viber is a mobile application that lets you make free phone calls and send text messages to anyone who also has the application installed. .

Freemium Mac OS X Windows Linux Android iPhone Android Tablet Windows RT Windows Phone

Video calling Voice Call Multiple languages Group chat Push to talk Secret chats Call Transfer Hidden chat
180 Like

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
108 Like

Zulip

Zulip is a group chat app. Its most distinctive characteristic is that messages are threaded by topic, helping you have long-running, organized conversations.

Free Open Source Mac OS X Windows Linux Android iPhone BSD Web Self-Hosted

MarkDown support Group chat Group collaboration Team Collaboration Chat Bot Community based Integrated File Sharing GitHub integration Threaded Conversations
47 Like

Kik

Kik helps you stay connected and keep in the loop with friends, all through chat. Kik offers free, unlimited texting to Kik users worldwide, no matter what type of smartphone they use.

Free Android iPhone Kindle Fire Windows Phone S60
40 Like

Xabber

open source jabber (xmpp) client with multi-account support, clean and simple interface. being both free (as in freedom!) and ad-free, xabber is designed to be the best jabber client for android .

Free Open Source Android
39 Like

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
18 Like

Disa

Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

Free Android Android Tablet Kindle Fire

Extensible by Plugins/Extensions Texting Unified messaging
17 Like

Gaption

Gaption is an online platform that allows users to receive rewards and royalties from their content and social networking activities.

Freemium iPhone iPad Web
11 Like

Dasher Messenger

Dasher lets you do more than just text message.

Free Android iPhone Web

Group chat Youtube integration
8 Like

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
7 Like

Sesame Chat

Sesame is a messaging app that gives you a self-aware digital assistant to protect messages on your behalf: your own Personal Cognitive Messenger™.

Free Personal iPhone iPad
4 Like

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...

Free Android Android Tablet

Voice Call Lightweight Group chat Stickers
3 Like

Photo4Tune

Photo4tune is a free application that provides a simple way to capture and share the best moments of your life on your Android phone. All the photos you post will appear on the world’s map showing the place they were taken.

Free Android iPhone

Multiple languages Photo Sharing Self destructing messages Location based
3 Like

WowApp

WowApp helps you do good through the Power of Sharing. We share all revenues with you. WowApp Messenger is free and you can receive earnings without ever spending money....

Freemium Mac OS X Windows Android iPhone Android Tablet

Video calling Voice Call Group chat Integrated File Sharing
2 Like

Tinode

Open source instant messaging server and clients. Backend in pure Go (license GPL 3.0), client-side binding in Java for Android and Javascript (license Apache 2.0)...

Free Open Source Android Web Self-Hosted

Ad free Real time collaboration Group chat
1 Like

Mini WA+

Features of Patch Unlike modded apks no backend tracking or ads. Completely open code (txt files) thus no privacy concerns. Patch is 100% AntiBan cause it is...

Free Android

Video calling Voice Call Group chat Encrypted chat

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Kontalk

Links to official Kontalk sites

Features

Categories

Tags

The Best 35 Kontalk Alternatives

Telegram

WhatsApp Messenger

Signal

Viber

Facebook Messenger

Zulip

Kik

Xabber

Conversations

Disa

Gaption

Dasher Messenger

SeaFour.club

Sesame Chat

Messenger Lite

Photo4Tune

WowApp

Tinode

Mini WA+

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