appear.in provides one-click video conferences right in your browser without requiring PIN codes or additional software.

Bit Chat is a secure, peer-to-peer, open source instant messenger with end-to-end encryption.

Dialog Messenger is a handy and feature-rich enterprise multi-device messenger available for server or cloud.

Empathy is an instant messaging (IM) and voice over IP (VoIP) client which supports text, voice, video, file transfers, and inter-application communication ov…

FaceTime is a proprietary videotelephony product developed by Apple Inc. FaceTime Audio is an audio-only version.

Google Duo is a video chat mobile app available on the Android and iOS operating systems.

BigBlueButton is an open source web conferencing system.

BlackBerry Messenger, also known as BBM is an instant messenger and videotelephony application included on BlackBerry devices that allows messaging and voice …

Disa is your new messaging hub. Conversations from different services can seamlessly be joined together, or disbanded within seconds.

Facebook Messenger is the official Facebook app that lets you have text conversations with all of your friends on the popular social network.

Fring connects with Skype, MSN Messenger, ICQ and Google Talk from your iPhone.

Hangouts is an instant messaging software developed by Google.