Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
WhatsApp Messenger
Free
WhatsApp Messenger is an instant messaging platform owned by Facebook.
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.
Zulip
Open Source
Zulip is a chat and collaborative software.
Dasher Messenger
Free
Dasher Messenger provids a way to message friends.
Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
IM+
Freemium
IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc.
Dialog Messenger
Free Personal
Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.
Compare ICQ with alternatives
Compare WhatsApp Messenger and ICQ and decide which is most suitable for you.
Compare Facebook Messenger and ICQ and decide which is most suitable for you.
Compare Dialog Messenger and ICQ and decide which is most suitable for you.
Compare Dasher Messenger and ICQ and decide which is most suitable for you.