Kontalk Messenger Alternatives

Open source interoperable collaboration app.

Stay in touch with your family and friends for free on Skype. Download Skype today to chat and call on desktop and mobile.

The most intuitive platform to manage projects and teamwork

Visit Website     paid Free Trial $17.0 / Monthly (2 Users - Basic)

Open source XMPP/Jabber client.

Fast, simple & secure messaging. Privacy that fits in your pocket.

Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.

Facebook Messenger is a faster way to message.

Send messages, files, create groups and make Tox to Tox audio and video calls. Securely.

XMPP client designed with ease of use and security in mind

A messaging app for teams who see through the Earth!

There’s big news attached.

WhatsApp Messenger: More than 1 billion people in over 180 countries use WhatsApp to stay in touch with friends and family, anytime and anywhere.

free

GoToMeeting is a web conferencing service offering a range of services which are available on Mac, PC, iOS and Android devices.

A spin-off of the popular Jabber/XMPP client Conversations with automatic contact discovery. Sign up with your phone number and Quicksy will automatically—based on the phone numbers in your address book—suggest possible contacts to you.