Skype

Skype's co-founder announced the latest version of Wire, which now encrypts all of its communications end-to-end with state-of-the-art open source encryption.

Open Whisper Systems released the unified Signal app for Android, which combines and replaces the old TextSecure and RedPhone private communications applications.

Skype appears to be broken for the time being, with reports of strange malfunctioning and connectivity issues.

Dropbox acquired Clementine, a company providing secure voice and text messaging services for BYOD businesses.

Skype will support four spoken languages and 50 instant messaging languages.

Facebook VoIP calling is now available everywhere.

AltspaceVR hopes to change the VR industry by providing virtual rooms where multiple VR users can come together and share 2D and 3D content.