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.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Imo
Free
Imo free video calls and chat is a kind of Communication apps for Android.
TeamSpeak
Freemium
TeamSpeak is software for quality voice communication via the Internet.
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…
FaceTime
Freemium
FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime Audio is an audio-only version.
ChatSecure
Open Source
ChatSecure is a messaging application for iOS which allows OTR and OMEMO encryption for the XMPP protocol.
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…
TribeScale
Free
TribeScale is an All-in-One platform to coordinate your team around what really matters - communication, goals, decisions, tasks and results.
Grape
Commercial
Grape is an REST-like API framework for Ruby. It's designed to run on Rack or complement existing web application frameworks such as Rails and Sinatra by prov…
Tencent QQ
Free
Tencent QQ (QQ) is an instant messaging software service.
Hangouts
Free
Hangouts is an instant messaging software developed by Google.
Mumble
Open Source
Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.
Viber
Freemium
Viber Free Messenger and Phone Calls.
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.
IM+
Freemium
IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc.
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.
WeChat
Freemium
WeChat is a social media with instant messaging, commerce and payment services application.
Threema
Commercial
Threema is an encrypted instant messaging application for iOS, Android and Windows Phone.
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 …
Flock
Freemium
Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.
Google Duo
Free
Google Duo is a video chat mobile app available on the Android and iOS operating systems.
Wickr
Free
Wickr is an instant messenger application.
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