AOL Instant Messenger

Description
AIM was an instant messaging and presence computer program created by AOL, which used the proprietary OSCAR instant messaging protocol and the TOC protocol to allow registered users to communicate in real time. Wikipedia Initial release: May 1997; 22 years ago Developed by: AOL

Operating system: Microsoft Windows, Windows Mobile, macOS, Android, iOS, BlackBerry OS

License: Proprietary

Written in: C++, Adobe Flash

Parent company: AOL