List of defunct instant messaging platforms

This is an alphabetic list of defunct instant messaging platforms, showing the name, when it was discontinued and the type of client.


 * AOL Instant Messenger, 1997–2017
 * aMSN, 2002–2012
 * BBM, 2005–2019
 * ChatON, 2011–2015
 * Emesene, 2013 – MSNP (Microsoft Notification Protocol or Mobile Status Notification Protocol)
 * Empathy
 * Fetion
 * FireChat, 2014–2018
 * Gizmo5, 2005–2011 – Multi protocol
 * Google Allo, 2016–2019
 * Google Hangouts, 2013–2022
 * Hike Messenger, 2012–2021
 * iChat, 2002–2012
 * ICQ, 1996–2024
 * Instantbird, 2007–2013
 * Meebo, 2005–2012
 * Microsoft Kaizala, 2017–2023
 * Microsoft Messenger service, 1999–2014
 * Microsoft Office Communicator/Microsoft Lync
 * MSN Messenger, 1999–2005
 * Mxit, 2005–2016
 * MySpaceIM, 2006–2009
 * Odigo Messenger, 2002–2004
 * ooVoo, 2007–2017
 * PowWow, 1994–2001
 * Skype Qik, 2014–2016
 * Surespot, – 2022
 * Talk City, 2002
 * Upptalk, 2010–2017
 * Windows Live Messenger, 2005–2012
 * Windows Messenger, 2001–2008
 * Xfire, 2003–2015
 * Yahoo! Messenger, 1998–2018