Meebo was discontinued by Google, but don't worry we have compiled a list of Meebo Alternatives:
Private & Secure Messenger
ICQ is one of the oldest instant messengers.
Say hello to the only messaging app you need.
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
Adium is a free instant messaging application for Mac OS X that can connect to AIM, MSN, Jabber, Yahoo, and more.
Open-source video calling and chat platform.
LINE is a Japanese proprietary application for instant messaging on smartphones and PCs.
Miranda IM is the smaller, faster, easier instant messenger with support for multiple protocols.
Tagged makes it easy to meet and socialize with new people through games, shared interests, friend suggestions, browsing profiles, and much more.
Free and secure calls and messages to anyone, anywhere. Keep your conversations going no matter where you are.
WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.