Instant messaging programs enable real-time direct text-based communication between two or more people using personal computers or other devices, along with shared software clients. The user's text is conveyed over a network, such as the Internet. More advanced instant messaging software clients also allow enhanced modes of communication, such as live voice or video calling.
1) Skype 5.8.0.158
Downloads for last month: 6
2) ICQ 7.7
Downloads for last month: 0