Skype
Freemium
Skype is an instant messaging and VOIP (Voice Over Internet Protocol) client to communicate with people in a distant place.
Telegram
Free
Telegram is a free cloud-based instant messaging platform.
Trillian
Freemium
Trillian is a proprietary multiprotocol instant messaging application.
Jitsi
Open Source
Jitsi (formerly SIP Communicator) is a free and open source multiplatform voice (VoIP), videoconferencing and instant messaging application.
IM+
Freemium
IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc.
ICQ
Free
ICQ is an open source instant messaging software.
Dasher Messenger
Free
Dasher Messenger provids a way to message friends.
Hangouts
Free
Hangouts is an instant messaging software developed by Google.
WhatsApp Messenger
Free
WhatsApp Messenger is an instant messaging platform owned by Facebook.
Discord
Free
Discord is a freeware proprietary VoIP application designed for gaming communities.
Facebook Messenger
Free
Facebook Messenger is the official Facebook app that lets you have text conversations with all of your friends on the popular social network.
LINE
Freemium
LINE is a new communication app which allows you to make free voice calls and send free messages whenever and wherever you are.
Zulip
Open Source
Zulip is a chat and collaborative software.
Compare AIM with alternatives
Compare WhatsApp Messenger and AIM and decide which is most suitable for you.
Compare Facebook Messenger and AIM and decide which is most suitable for you.
Compare Dasher Messenger and AIM and decide which is most suitable for you.