Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Adium
Open Source
Adium is an Open source multi-protocol instant messaging client for Mac OS X, supports MSN, Jabber, Yahoo! and other networks.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Signal
Open Source
Signal is the most scalable encryption tool.
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…
ICQ
Free
ICQ is an open source instant messaging 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.
qutIM
Open Source
qutIM is free and open-source multiprotocol (ICQ, Jabber, Mail.Ru, IRC, VKontakte) instant messenger.
Fleep
Freemium
Fleep enables communication within and across organizations, be it your team chats, project communication or 1:1 conversations.
Kadu
Open Source
Kadu is a free and open source multi-platform instant messaging client that supports Gadu-Gadu, XMPP IM networks and other services based on XMPP like Google …
Zulip
Open Source
Zulip is a chat and collaborative software.
WhatsApp Messenger
Free
WhatsApp Messenger is an instant messaging platform owned by Facebook.
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.
Psi
Open Source
Psi is a free instant messaging application designed for the XMPP network (including Google Talk). Fast and lightweight, Psi is fully open-source and compatib…
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…
WeChat
Freemium
WeChat is a social media with instant messaging, commerce and payment services application.
iMessage
Free
iMessage is an instant messaging service.
KakaoTalk
Freemium
KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.
Tencent QQ
Free
Tencent QQ (QQ) is an instant messaging software service.
Coccinella
Open Source
Coccinella is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol.
Compare Gaption with alternatives
Compare WhatsApp Messenger and Gaption and decide which is most suitable for you.
Compare Instantbird and Gaption and decide which is most suitable for you.