IM+ supports simultaneously major IM services, including Google Talk, Twitter DMs, Yahoo!, AIM/iChat, ICQ, Jabber (and Slack through Jabber), etc. Developed by SHAPE Services
License: Freemium
Trillian excels in supporting a variety of traditional messaging protocols and offers a customizable interface, making it suitable for users who prefer classic chat services. IM+, on the other hand, focuses on modern messaging platforms with an intuitive design, appealing to users who want a straightforward experience across various social media.