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
IM+ is a feature-rich messaging platform that excels in multi-protocol support and integrated voice/video calling, making it suitable for users who need a versatile communication tool. Conversely, Conversations prioritizes privacy with strong encryption and open-source advantages, appealing to users who value security and offline capabilities.