While iMessage and Meta's apps dominate modern messaging, there have been many other instant messaging apps that were hugely popular in the past.

After 20 years of operation, AOL Instant Messenger (AIM), is finally shutting down. While it hasn't been popular in years, the service once dominated instant messaging and shaped the clients and ...

These days, we take internet-based chatting for granted. We're spoiled by a massive (and admittedly fragmented) ecosystem of direct messaging (DM) services on our phones and PCs, ranging from WhatsApp ...