Zello is an amazing, free multiplatform software (also available for Blackberry), being part of the category Communication software with subcategory Internet phone (more specifically Connection Managers) and has been created by Metalink.
More about Zello
Since the software was added to our catalog in 2011, it has achieved 796,206 downloads, and last week it achieved 17 downloads.
It's available for users with the operating system Windows 2000 and prior versions, and it is available in different languages such as English, Spanish, and German. The program version is 22.214.171.124 and was updated on 5/8/2013.
About the download, Zello is a slick software that requires less storage than the average program in the section Communication software. It's a software very heavily used in Thailand, Indonesia, and Greece.