Windows Live Messenger has been discontinued. Similar apps include Signal, which is free and open source. Other options are Telegram, Element, Discord and Matrix. You're spoiled for choice with Instant Messengers like Windows Live Messenger: we list more than 50 alternatives for Windows, Android, Mac, iPhone and Linux.
Flock is the fastest growing team messenger and loved by over 25,000 companies globally. It also comes with its powerful platform, FlockOS.
United States
Spreed is the worldwide unified web conferencing service offering integrated web and telephone conferencing. It is based on Flash Player. Free service includes 3 attendees and max 1.5h meetings. Single events or monthly service can be purchased.
Germany
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Kopete is an instant messenger supporting AIM, ICQ, Jabber, Gadu-Gadu, Novell GroupWise Messenger, and more. It is designed to be a flexible and extensible multi-protocol system suitable for personal and enterprise use.
GermanyEU
Garena is a free downloadable software provided by Ocean Global Holding. Garena, short for Global Arena, is a multifunction platform that allows gamers to chat, challenge opponents, and play their favorite games online with millions of gamers world-wide.
United Kingdom
Virtual PBX enables small businesses to set up professional, hardware-free phone solutions with Auto Attendant, business SMS, call routing, enhanced voicemail, customizable greetings, faxes, scalable extensions, and an online portal for easy management.
United States
GyachE Improved (GyachI) is a fork from Gyach Enhanced Yahoo! client for Linux operating systems. This Yahoo! client supports almost all of the features you would expect to find on the official Windows Yahoo!
Very simple, lightweight, and compact size IP based messenger which used by almost all Japanese companies and its affiliates.
Japan
Softphone for VoIP, CAPI und TAPI. This application enables voice connections to landline, cellular network and VoIP. Phoner can be used as softphone on stationary and mobilecomputer devices attached to anlogue or digital (ISDN) subscriber lines and as SIP client.
PhonerLite is.
GermanyEU
KMess is the Live Messenger alternative for Linux, aiming at integration with the KDE desktop environment.
Chatzy is a free private chat service which you can use to communicate with people you already know or people who visits your blog or website. With Chatzy you can create a chatroom and send out email invitations very quickly and easily. No registration is required.
Pinger lets you text and talk free with the people you care about most, anywhere on the planet. Tap a picture and you'll see all of your communications—texts, pics, calls, voicemails—all in one place.
United States
BuddyTalk is a java based instant messanger, you can login with your gmail username and password to chat with your friends or to test the software you can login with the provided username and pass. BuddyTalk is based on smack and xmpp protocol.
