A cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
A free messaging app for WhatsApp, Facebook Messenger, Telegram, Slack and more.
Quality voice communication via the Internet.
Send free messages and make free calls to other Viber users, on any device and network, in any country!
An easy-to-use LAN messaging application for safe, secure and effective intra-office communication.
A free instant messaging application for Mac OS X that can connect to AIM, MSN, XMPP (Jabber), Yahoo, and more.
A communications service that transforms online meetings with a secure, easy-to-use application that you can trust.
An open source, peer to peer, LAN messenger.
Record Skype, Hangouts, Viber & Facebook Audio/Video calls.
Video chat with millions of users in thousands of chat rooms.
The absolute easiest way for teams to securely chat, share and store files online while remaining compliant with regulators.
An online translator for all your messages in Skype.
All-in-one voice and text chat for gamers that’s free, secure, and works on both your desktop and phone.
Online Meeting with HD video conferencing software.
Group and private chat, file sharing, and integrations.
An audio/video Internet phone and instant messenger.
An IRC client for Windows, Mac OS X, and Linux.
An IRC client for Mac OS X.
An internet phone or Voice Over IP phone (VoIP).
Text from your computer, sync'd with your Android phone & number.