Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Tox
Open Source
Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption.
Viber
Freemium
Viber Free Messenger and Phone Calls.
Signal
Open Source
Signal is the most scalable encryption tool.
Facebook Messenger
Free
Facebook Messenger is the official Facebook app that lets you have text conversations with all of your friends on the popular social network.
Glip
Freemium
Glip is fully searchable, real-time group chat; video chat, task management, file sharing app.
Mattermost
Open Source
Mattermost is an open source, private cloud Slack-alternative, Workplace messaging for web, PCs and phones. MIT-licensed.
ICQ
Free
ICQ is an open source instant messaging software.
Rocket.Chat
Open Source
Rocket.Chat free open source chat solution.
Kik
Free
Kik Messenger is an instant messenger software.
Instantbird
Open Source
Instantbird is a cross-platform instant messaging client based on Mozillas XULRunner and the open source library libpurple used in Pidgin.
Threema
Commercial
Threema is an encrypted instant messaging application for iOS, Android and Windows Phone.
Matrix.org
Open Source
Matrix is an open protocol for real-time communication. It is designed to allow users with accounts at one communications service provider to communicate with…
Tango
Freemium
Tango is the messaging app with the best video calling. All messages and calls are free.
BlackBerry Messenger
Freemium
BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice …
GO SMS Pro
Free
GO SMS Pro is a free app that replaces the stock SMS messaging interface for your Android device.
Flock
Freemium
Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.
Sicher
Commercial
Sicher is a freeware instant messaging application for iOS, Android, and Windows Phone. Sicher allows users to exchange end-to-end encrypted text messages, me…
Talkatone
Freemium
Talkatone is a free calling app.
QuteCom
Open Source
QuteCom (WengoPhone) is a free-software SIP-compliant VoIP client.
Silence.im
Open Source
Silence.im is an encrypted text messaging service.
Wickr
Free
Wickr is an instant messenger application.
Gitter
Freemium
Gitter is an open source instant messaging and chat room system for developers and users of GitHub repositories.
Tkabber
Open Source
Tkabber is a GPL instant messaging client for the XMPP protocol which uses the Tk toolkit for the GUI.
Hangouts
Free
Hangouts is an instant messaging software developed by Google.
Slack
Freemium
Slack is a cloud-based team collaboration tool.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Discord
Free
Discord is a freeware proprietary VoIP application designed for gaming communities.
Imo
Free
Imo free video calls and chat is a kind of Communication apps for Android.
Empathy
Open Source
Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication ov…
LINE
Freemium
LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are.
Wire
Free
Wire is a cross-platform, encrypted instant messaging client created by Wire Swiss. It is available for iOS, Android, Linux, Windows, macOS and Web browser cl…
WeChat
Freemium
WeChat is a social media with instant messaging, commerce and payment services application.
ChatSecure
Open Source
ChatSecure is a messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol.
Handcent SMS
Free
Handcent Next SMS a customizable and powerful SMS messenger app.
Xabber
Open Source
Xabber (XMPP and Jabber) is a XMPP client for the Android Operating System.
Voxeet
Free
Voxeet is VoIP web conferencing software that uses 3D high definition voice technology to produce immersive sound.
Let's Chat
Open Source
Let's Chat is a persistent messaging application that runs on Node.js and MongoDB. It's designed to be easily deployable and fits well with small, intimate te…
KakaoTalk
Freemium
KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.
Conversations
Freemium
Conversations is an open source XMPP/Jabber client for the Android platform.
TribeScale
Free
TribeScale is an All-in-One platform to coordinate your team around what really matters - communication, goals, decisions, tasks and results.
Zoiper
Freemium
Zoiper is an easy to use sip video softphone, with excellent voice quality and easy to setup.
Tencent QQ
Free
Tencent QQ (QQ) is an instant messaging software service.
GroupMe
Free Personal
GroupMe is a mobile group messaging app.
Disa
Open Source
Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.
Dialog Messenger
Free Personal
Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.
Phoner
Free
Phoner and PhonerLite are softphone applications for Windows operating systems available as freeware.
Hack Chat
Open Source
Hack Chat is a minimal, distraction-free chat application.
Dasher Messenger
Free
Dasher Messenger provids a way to message friends.
Compare Zulip with alternatives
Compare Facebook Messenger and Zulip and decide which is most suitable for you.
Compare BlackBerry Messenger and Zulip and decide which is most suitable for you.
Compare Conversations and Zulip and decide which is most suitable for you.
Compare Dialog Messenger and Zulip and decide which is most suitable for you.
Compare Dasher Messenger and Zulip and decide which is most suitable for you.