A cross-platform mobile messaging app which allows you to exchange messages without having to pay for SMS.
Skype keeps the world talking. Call, message and share whatever you want for free.
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.
Quality voice communication via the Internet.
Exchange free instant messages with friends whenever and wherever with one-on-one and group chats.
An easy-to-use LAN messaging application for safe, secure and effective intra-office communication.
A pop up style LAN Messenger.
A free instant messaging application for communication over a local network.
A free messaging app for WhatsApp, Facebook Messenger, Telegram, Slack and more.
A free push-to-talk application for smartphones, tablets, and PCs.
A free encrypted messaging app that allows users to send and receive secure messages, documents, pictures, videos and audio files.
An open source, peer to peer, LAN messenger.
One messenger for Internet and LAN chat with end-to-end encryption.
The secure Slack/WhatsApp alternative for organizations handling regulated/sensitive data.
Free, Open Source and Cross Platform messaging and emailing app that combines common web applications into one.
Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.
All-in-one voice and text chat for gamers that’s free, secure, and works on both your desktop and phone.
An open source SoftPhone, Video Conferencing and Instant Messenger application over the Internet.
A chat program which lets you log in to accounts on multiple chat networks simultaneously.
Chat with other Trillian users or those on Facebook, Google, AIM, ICQ, XMPP, Yahoo!, Twitter, and more.
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.