Top Alternatives to Windows Live Messenger

Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.

Pidgin is a free and open-source chat client which supports AIM, Google Talk, ICQ, XMPP protocols.

Hangouts is an instant messaging software developed by Google.

Telegram is a free cloud-based instant messaging platform.

WhatsApp Messenger is an instant messaging platform owned by Facebook.

Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming.

Tox is a peer-to-peer instant-messaging and video-calling protocol that offers end-to-end encryption.

Viber Free Messenger and Phone Calls.

Signal is the most scalable encryption tool.

Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application.

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

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

Facebook Messenger is the official Facebook app that lets you have text conversations with all of your friends on the popular social network.

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

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

RetroShare is open source software for encrypted filesharing, serverless email, instant messaging, online chat, and BBS, based on a friend-to-friend network built on GNU Privacy Guard (GPG).

Kopete is a multi-protocol, free software instant messaging client released as part of the KDE Software Compilation. Although it can run in numerous environments, it was designed for and integrates with the KDE Plasma Workspaces.

Origin is an online gaming, digital distribution and digital rights management platform developed by Electronic Arts that allows users to purchase games on the internet for PC and mobile platforms, and download them with the Origin client.

ICQ is an open source instant messaging software.

Ventrilo (Vent) is a VoIP software that includes text chat.

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

BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice calls between BlackBerry, iOS, Android, and Windows Mobile users.

Psi is a cross-platform powerful XMPP/Jabber client (Qt, C++) designed for the Jabber power users. Psi+ is a development branch of Psi IM XMPP/Jabber client.

GameTracker tracks your gameplay in real time, your team's world ranking and your stats for servers you play on.

Garena is a consumer Internet platform.

Coccinella is a free and open-source cross-platform client for the XMPP/Jabber-instant messaging-protocol.

Phoner and PhonerLite are softphone applications for Windows operating systems available as freeware.