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A cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
A messaging app with a focus on speed and security.
Lets you send free messages as well as make free calls to other Viber users, on any device and network, in any country!
A free instant messaging application for communication over a local network.
Exchange free instant messages with friends whenever and wherever with one-on-one and group chats.
A pop up style LAN Messenger.
ooVoo lets you video call with up to 12 friends. Send text, picture, and video messages, and lots more.
A free messaging app for WhatsApp, Facebook Messenger, Telegram, Slack and more.
Premium live chat software and help desk software for business.
Record Skype, Hangouts, Viber & Facebook Audio/Video calls.
A popular Internet Relay Chat client used by millions of people, and thousands of organizations, to communicate, share, play and work with each other on IRC networks around the world.
Surprise your friends with incredible voice effects!
A free push-to-talk application for smartphones, tablets, and PCs.
A sandbox platform for creating anything you can think of, inside a universe with hundreds of worlds, millions of objects, and a dedicated and friendly community.
Free, Open Source and Cross Platform messaging and emailing app that combines common web applications into one.
Quality voice communication via the Internet.
One messenger for Internet and LAN chat with end-to-end encryption.
Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
An IRC client with multiserver support and a customizable interface.
A communications service that transforms online meetings with a secure, easy-to-use application that you can trust.