Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
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.
IM+
Freemium
IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc.
Telegram
Free
Telegram is a free cloud-based instant messaging platform.
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.
WeChat
Freemium
WeChat is a social media with instant messaging, commerce and payment services application.
Compare ICQ with alternatives
Compare Facebook Messenger and ICQ and decide which is most suitable for you.