iMessage is an instant messaging service.

BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice …

Dasher Messenger provids a way to message friends.

Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc.

KakaoTalk (Korean: 카카오톡), or sometimes KaTalk, is a free mobile instant messaging application for smartphones with free text and free call features.

Bit Chat is a secure, peer-to-peer, open source instant messenger with end-to-end encryption.

Conversations is an open source XMPP/Jabber client for the Android platform.

Digsby provides you with IM, email and Social networks in one easy to use application.

Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication ov…

Imo free video calls and chat is a kind of Communication apps for Android.

LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are.