Apps similar to Phoner include WhatsApp, which has a free version. Other options are Wire, Jitsi Desktop, Zulip and Linphone. There's no shortage of Video Calling Apps like Phoner, with more than 25 alternatives for Windows, Android, Mac, iPhone and the web.
Zoiper IAX & SIP multilanguage and multiplatform (Windows, Linux and Mac OS X) softphone is a VoIP soft client, meant to work with any IP-based communications systems and infrastructure.
Bulgaria
EU
On-Meet is a free video conferencing platform that allows you to share your knowledge with your friends, colleagues and family.
An encrypted instant messaging with video call and GPS features for android.
Telephone allows you to make phone calls over the Internet or your company network. If your phone line supports SIP protocol, you can use it on your Mac instead of a physical phone anywhere you have a decent network connection.
United States
Messenger for Desktop is a wrapper for the official client messenger.com. Therefore it works like a regular browser which can only navigate to the messenger.com web app. MFD doesn't touch your messages, account or personal data. All that is handled securely by Facebook.
RomaniaEU
QuteCom is a community of enthusiasts and developers, creating free software products related to communication over IP. The flagship product of the QuteCom project is a softphone which allows you to make free PC to PC video and voice calls, and to integrate all your IM contacts...
FranceEU
Tkabber is a Free and Open Source client for the Jabber instant messaging system. Its writen in Tcl/Tk, and works on many platforms (tested on Linux, FreeBSD, NetBSD, Solaris, MacOS X and Windows 98/2000/XP).
Russia
Thoughtfully designed, Bria leverages over 10 years of softphone experience in improving productivity for our customers.
Canada
Photo4tune is a free application that provides a simple way to capture and share the best moments of your life on your Android phone. All the photos you post will appear on the world’s map showing the place they were taken.
United States
Instant messaging with voice and video options, live group video chat for up to 10 participants, public and private rooms, interest communities, mobile and desktop access, user-created rooms, moderation tools, and options for anonymous participation.
United States
Sesame is a messaging app that gives you a self-aware digital assistant to protect messages on your behalf: your own Personal Cognitive Messenger™.
