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.
Slack
Freemium
Slack is a cloud-based team collaboration tool.
Mumble
Open Source
Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Discord
Free
Discord is a freeware proprietary VoIP application designed for gaming communities.
Jitsi
Open Source
Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application.
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.
Mattermost
Open Source
Mattermost is an open source, private cloud Slack-alternative, Workplace messaging for web, PCs and phones. MIT-licensed.
Kopete
Open Source
Kopete is a multi-protocol, free software instant messaging client released as part of the KDE Software Compilation. Although it can run in numerous environme…
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.
Off-the-Record Messaging
Open Source
Off-the-Record Messaging (OTR) is a cryptographic protocol that provides encryption for instant messaging conversations.
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…
Zulip
Open Source
Zulip is a chat and collaborative software.
Wickr
Free
Wickr is an instant messenger application.
Ricochet
Open Source
Ricochet uses the Tor network to reach your contacts without relying on messaging servers.
Toky
Freemium
Toky is an automation platform.
Pidgin
Open Source
Pidgin is a free and open-source chat client which supports AIM, Google Talk, ICQ, XMPP protocols.
WhatsApp Messenger
Free
WhatsApp Messenger is an instant messaging platform owned by Facebook.
Adium
Open Source
Adium is an Open source multi-protocol instant messaging client for Mac OS X, supports MSN, Jabber, Yahoo! and other networks.
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.
TeamSpeak
Freemium
TeamSpeak is software for quality voice communication via the Internet.
RetroShare
Open Source
RetroShare is open source software for encrypted filesharing, serverless email, instant messaging, online chat, and BBS, based on a friend-to-friend network b…
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…
Ring
Open Source
Ring (SFLphone) is an open-source SIP-compatible softphone and instant messenger for Linux, Microsoft Windows, OS X and Android.
FaceTime
Freemium
FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime Audio is an audio-only version.
Rocket.Chat
Open Source
Rocket.Chat free open source chat solution.
Bitmessage
Open Source
Bitmessage is a decentralized, encrypted, peer-to-peer, trustless communications protocol that can be used by one person to send encrypted messages to another…
KakaoTalk
Freemium
KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.
Flock
Freemium
Flock is a communication app for teams. Packed with tons of productivity features, Flock drives efficiency and boosts speed of execution.
Tencent QQ
Free
Tencent QQ (QQ) is an instant messaging software service.
Dialog Messenger
Free Personal
Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.
Gitter
Freemium
Gitter is an open source instant messaging and chat room system for developers and users of GitHub repositories.
YakYak
Open Source
YakYak is a desktop chat client for Google Hangouts.
Compare Riot.im with alternatives
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Compare Off-the-Record Messaging and Riot.im and decide which is most suitable for you.
Compare Dialog Messenger and Riot.im and decide which is most suitable for you.