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A cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
Lets you send free messages as well as make free calls to other Viber users, on any device and network, in any country!
A messaging app with a focus on speed and security.
Exchange free instant messages with friends whenever and wherever with one-on-one and group chats.
Share photos instantly, send GIFs and even unsend messages. It’s the fastest way to keep in touch with friends.
Premium live chat software and help desk software for business.
A free messaging app for WhatsApp, Facebook Messenger, Telegram, Slack and more.
A pop up style LAN Messenger.
Record Skype, Hangouts, Viber & Facebook Audio/Video calls.
Online Meeting with HD video conferencing software.
An IRC client with multiserver support and a customizable interface.
Quality voice communication via the Internet.
ooVoo lets you video call with up to 12 friends. Send text, picture, and video messages, and lots more.
A free instant messaging application for communication over a local network.
Text from your computer, sync'd with your Android phone & number.
Surprise your friends with incredible voice effects!
Modify your voice in real-time during a Skype conversation.
Group and private chat, file sharing, and integrations.
Free, Open Source and Cross Platform messaging and emailing app that combines common web applications into one.
A free push-to-talk application for smartphones, tablets, and PCs.