Free
Spontania Video4IM
Add videoconferencing to Skype
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Free
Add videoconferencing to Skype
Free
A free and simple communication app
Free
Redefining digital collaboration in modern times
Free
Free App for Smart Callers
Free
Free video and instant messaging app
Free
One of the best communication apps for businesses
Free Instant Messaging App for Windows
Free Instant Messaging Software for Windows
The popular add-on, updated for Windows Live Messenger 2011
Feel like you’re part of the new Indiana Jones' adventure
Instant messaging made portable and secure
Share your feelings and ideas via this voice IM
Chat application for windows 10
Compact, portable instant messaging
Digsby Portable: Versatile Instant Messaging Tool
A whole VoIP suite
Exchange encrypted instant messages and files over office LAN, business networks