Third-party IM apps and older versions of iChat will no longer be able to log in with Mac.com or Me.com screennames.
Instagram Direct lets users privately send photos and videos in what is widely considered a shot at trendy messaging app Snapchat.
Blackberry says its new app that opens up the proprietary BBM messaging platform to Android and Apple users was downloaded 10 million times in just over its first 24 hours of availability.
BBM, short for Blackberry Messenger, was once an exclusive feature for Blackberry phones, allowing users to send messages amongst themselves without counting against their texting plans.
A new, non-Apple-sanctioned Android app claims to let you chat with iOS users via iMessage, but there are too many questions swirling around to trust it.
Flexibits's newest Mac app is Chatology, which attempts to improve on searching your Messages logs. Unfortunately, the app seems to have contracted some of Messages's own flakiness.
This free iOS app lets you communicate effortlessly with people all over the world. Language barrier? What language barrier?
The iMessage system allows you to send and receive messages to and from multiple email addresses and phone numbers. That's both a blessing and a complication. Glenn Fleishman simplifies it.