Miranda NG
Miranda NG is a successor of a popular multi-protocol instant messaging client for Windows - Miranda IM. Very light on system resources and extremely fast.
19 Alternatives To Miranda NG
Trillian
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.
WhatsApp
WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.
Wildfire
With Wildfire, companies & agencies can easily build & launch social media marketing campaigns within minutes. Campaign formats include quizzes, contests, coupons, virtual gifts and more.