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
Apps available for
Mac OS X
Windows
Linux
Online
Windows Mobile
IM+ VS ICQ
IM+ offers a wider range of instant messaging platform support and customization options, while ICQ provides a more user-friendly experience with strong messaging features and voice/video calling capabilities.
IM+
Pros:
Supports multiple instant messaging platforms
Customizable interface
Group chat functionality
File sharing capabilities
Push notifications
Cons:
Limited social media integration
Occasional bugs and glitches
Less popular than other messaging apps
ICQ
Pros:
User-friendly interface
Strong focus on messaging
Cross-platform support
Voice and video calling features
Integration with social media
Cons:
Older app with outdated design
Less customization options compared to competitors