A cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
Send free messages and make free calls to other Viber users, on any device and network, in any country!
Skype keeps the world talking. Call, message and share whatever you want for free.
Free, Open Source and Cross Platform messaging and emailing app that combines common web applications into one.
Video chat with millions of users in thousands of chat rooms.
An internet phone or Voice Over IP phone (VoIP).
A messaging app with a focus on speed and security.
Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
An online translator for all your messages in Skype.
A free messaging app for WhatsApp, Facebook Messenger, Telegram, Slack and more.
Team collaboration software.
A free instant messaging application for Mac OS X that can connect to AIM, MSN, XMPP (Jabber), Yahoo, and more.
An open source, peer to peer, LAN messenger.
Record Skype, Hangouts, Viber & Facebook Audio/Video calls.
The absolute easiest way for teams to securely chat, share and store files online while remaining compliant with regulators.
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.