Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
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.
ICQ
Free
ICQ is an open source instant messaging software.
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.
Tencent QQ
Free
Tencent QQ (QQ) is an instant messaging software service.
Compare qutIM with alternatives
Compare Facebook Messenger and qutIM and decide which is most suitable for you.