Text, voice and video communication software.

Connect to Twitter directly from your Windows with this client.

Software for group communication commonly used in games.
Instant messaging app that allows you to send texts, photos, videos, audios, documents, and make voice and video calls, both one-on-one and in groups.
TeamTalk software version that can be run without the need for installation.
Plugin for Messenger Plus! which shows the IP address of your contacts.