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

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 attachments all with complete privacy. the server never has access to any of your communication and never stores any of your data.

* say anything send highquality group, text, picture, and video messages, all without sms and mms fees.* speak freely make crystalclear phone calls to people who live across town, or across the ocean, with no longdistance charges.* be yourself signal uses your existing phone number and address book. there are no separate logins, usernames, passwords, or pins to manage or lose.* stay secure we cannot hear your conversations or see your messages, and no one else can either. no exceptions. you can even tap and hold on a contact's name to see advanced identity verification options. everything in signal is always endtoend encrypted and painstakingly engineered in order to keep your communication safe.* go fast signal is optimized for speed without compromise. our stateoftheart axolotl protocol is unmatched in its performance, strength, and reliability.* remain connected push notifications let you know when new messages have arrived, and they'll be waiting for you even if your battery dies or you temporarily lose service.* get organized unique archive functionality makes it easy to keep track of the conversations that matter to you right now.* pay nothing signal is supported by a team of dedicated developers, community donations, and grants. there are no advertisements, and it doesn't cost anything to use.* view source all of our code is free, open, and available on github (https://github.com/whispersystems ).* join movements technology developed by open whisper systems is trusted and used by millions of people around the world every day.

Links to official Signal sites

Twitter
Official Website
Facebook

Features

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)

The Best 35 Signal 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
927 Like

Hangouts

Hangouts is a messaging app that lets you send and receive messages, photos and more, and even start free video and voice calls – one to one or with a group! "Hangouts" are places used to facilitate group video chat (with a...

Free Windows Android iPhone Android Tablet iPad Chrome OS Web Chrome

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

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
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
265 Like

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

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

Matrix.org

Matrix is an open standard for decentralized persistent communication over IP. It can be used for decentralised group chat, WebRTC signaling, IoT-data transfer, and generally to link together fragmented silos of communication.

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

Real time collaboration Group chat WebRTC Team Collaboration Chat Bot Encrypted chat Decentralized End to end encryption Distributed GNU/linux libre Server side history
59 Like

WeChat

WeChat is a complete mobile communication and private social networking app. Free, cross-platform, and full-featured, WeChat is the best way to keep in touch with everyone you care about.

Freemium Mac OS X Windows Android iPhone Android Tablet Blackberry Windows Phone S60

Video calling Multiple languages Sync Contacts Group chat Voice messages Photo Sharing Based on phone number Stickers
48 Like

Threema

Threema is a new mobile messaging app that puts security first. With true end-to-end encryption, you can rest assured that only you and the intended recipient can read your messages.

Commercial Android iPhone Android Tablet iPad Android Wear Windows Phone

Security focused Multiple languages Group chat Encrypted chat End to end encryption Encrypted email Integrated File Sharing Integrated App lock
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
26 Like

KakaoTalk

KakaoTalk is a phone number based messenger service that allows users anywhere in the world to chat one-to-one or in a group for free.

Freemium Mac OS X Windows Android iPhone Android Wear Kindle Fire Blackberry Windows Phone

Voice Call Group chat Based on phone number Secret chats
24 Like

BlackBerry Messenger

BlackBerry Messenger is a FREE messaging app available for Blackberry, iOS, Android and Windows Phone.

Freemium Android iPhone Android Tablet iPad Android Wear Blackberry Windows Phone Apple Watch

Video calling Voice Call Multiple languages Group chat Self destructing messages Stickers
18 Like

Sicher

Free secure Germany-based messenger available for iOS, Android and Windows Phone. Sicher has true end-to-end encryption of both text messages and file attachments.

Commercial Android iPhone Android Tablet iPad Windows Phone

Group chat Encrypted chat Self destructing messages Based on phone number Private messaging
13 Like

Briar

An open-source decentralized and encrypted messaging app even without internet connection via Wi-Fi and Bluetooth. Messages are stored securely on your device, not in the cloud.

Free Open Source Android

Works Offline Group chat Encrypted chat Decentralized End to end encryption No Internet required Bluetooth Support Sync via TOR network
8 Like

Peerio

Peerio integrates cloud storage with a messaging platform so you can safely keep your important files online and ready to send from anywhere. With end-to-end encryption, messages and files are encrypted.

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

Privacy protection Works Offline Share files Group chat Voice messages Direct Messaging Encrypted chat End to end encryption Two factor authentication Group Messaging Based on phone number Auto update
8 Like

Hike

Fun, free messaging for life. With hike, messaging has never been simpler.

Free Android iPhone iPad Windows Phone S60

Works Offline Group chat Encrypted chat Share Videos Based on phone number
6 Like

qTox

qtox - the most feature-rich tox client; p2p instant messaging, audio and video calls.

Free Open Source Mac OS X Windows Linux BSD FreeBSD

Voice Call Group chat Encrypted chat Anonymous Secure Filesharing Anonymity

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Signal

Links to official Signal sites

Features

Categories

Tags

The Best 35 Signal Alternatives

Telegram

Hangouts

WhatsApp Messenger

Tox

Viber

Jitsi

Facebook Messenger

Wire

Zulip

Matrix.org

WeChat

Threema

Conversations

KakaoTalk

BlackBerry Messenger

Sicher

Briar

Peerio

Hike

qTox

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