I'm liking Lava-Lava more and more.

Lava-Lava is a simple, fun, efficient and practical internet communication software. It not only has all the functions of traditional instant chat tools, but also supports voice conversations or video conferences with up to five people at the same time, and provides offline file transfer. The software is free, and it's easy and convenient to download and install. The latest Tribe Edition allows you to create tribes with up to 300 members, and features unlimited capacity for file sharing. What are you waiting for? Come and use Lava-Lava Tribe Edition to extend your social circle infinitely in the cyber world!