What are some alternatives?
When comparing Kiwi IRC and Skype, you can also consider the following products
HexChat - HexChat is a fork of XChat with bug fixes and new features.
Slack - A messaging app for teams who see through the Earth!
irssi - Irssi is a terminal based IRC client for UNIX systems.
Zoom - Zoom unifies cloud video conferencing, simple online meetings, group messaging, and a software-based conference room solution.
KVIrc - KVIrc is a free portable IRC client based on the excellent Qt GUI toolkit.
join.me - Instant screen sharing. Instant Aha!