Blink
A real-time communications client using the SIP protocol available for Windows, Linux and OSX. Blink can conference audio calls locally…

A real-time communications client using the SIP protocol available for Windows, Linux and OSX. Blink can conference audio calls locally…

Bria
Bria (previously: X-Lite) – a VoIP software that uses SIP protocol and supports SRTP. The software is developed by the CounterPath…

Bria (previously: X-Lite) – a VoIP software that uses SIP protocol and supports SRTP. The software is developed by the CounterPath…

Cloud Softphone
Cloud Softphone – a B2B UCaaS platform that lets you implement advanced front-end functionality into your existing phones, mobile…

Cloud Softphone – a B2B UCaaS platform that lets you implement advanced front-end functionality into your existing phones, mobile…

Discord
A proprietary and free to use VoIP client designed for gaming communities, that specializes in text, video and audio communication between users…
A proprietary and free to use VoIP client designed for gaming communities, that specializes in text, video and audio communication between users…

Element
Element (prevoiusly: Vector and Riot) – a Matrix web client built using the Matrix React SDK. Matrix is an open network for secure…

Element (prevoiusly: Vector and Riot) – a Matrix web client built using the Matrix React SDK. Matrix is an open network for secure…

FaceTime
A VoIP and videotelephony proprietary application for iOS and macOS devices. FaceTime for Mac makes it possible to talk, smile, wave, and laugh…

A VoIP and videotelephony proprietary application for iOS and macOS devices. FaceTime for Mac makes it possible to talk, smile, wave, and laugh…

Google Duo
A high quality video calling application. It’s simple, reliable, and works across Android and iOS phones and tablets, smart devices, and….

A high quality video calling application. It’s simple, reliable, and works across Android and iOS phones and tablets, smart devices, and….

Google Hangouts
Google Hangouts (formerly known as Google Talk) – a free messenger for traditional text and video chat using a microphone and…

Google Hangouts (formerly known as Google Talk) – a free messenger for traditional text and video chat using a microphone and…

Jami
A free software for universal communication which respects the freedoms and privacy of its users. Jami is completely peer-to-peer and…

A free software for universal communication which respects the freedoms and privacy of its users. Jami is completely peer-to-peer and…

Jitsi
Jitsi (previously: SIP Communicator) – a set of open-source projects that allows you to easily build and deploy secure video…

Jitsi (previously: SIP Communicator) – a set of open-source projects that allows you to easily build and deploy secure video…

LINE
A free messaging, convenient memos, and screen capture made easy LINE reshapes communication around the globe, allowing you to enjoy…

A free messaging, convenient memos, and screen capture made easy LINE reshapes communication around the globe, allowing you to enjoy…

Line2
Line2 (previously: Toktumi) – an USA’s telecommunications company founded in San Francisco in 2008 by Peter Sisson, which..

Line2 (previously: Toktumi) – an USA’s telecommunications company founded in San Francisco in 2008 by Peter Sisson, which..

Linkus
A VoIP client software available for Android and iOS mobile devices, and Windows and OS X as desktop applications. With Linkus…

A VoIP client software available for Android and iOS mobile devices, and Windows and OS X as desktop applications. With Linkus…

Linphone
Linphone (Linux phone) – an open source SIP phone for voice/video calls and instant messaging, and is available for mobile and desktop…

Linphone (Linux phone) – an open source SIP phone for voice/video calls and instant messaging, and is available for mobile and desktop…

MicroSIP
An open source portable SIP softphone application based on PJSIP stack for MS Windows. It allows to do high quality VoIP calls…

An open source portable SIP softphone application based on PJSIP stack for MS Windows. It allows to do high quality VoIP calls…

Mumble
An open-source, cross-platform, VoIP application to establish true low latency voice communication for gamers. Mumble uses a client–server…

An open-source, cross-platform, VoIP application to establish true low latency voice communication for gamers. Mumble uses a client–server…

Nymgo
Very cheap international calls with very good voice quality service provided by Splendor Telecom UK Ltd. Nymgo offers high-quality VoIP…

Very cheap international calls with very good voice quality service provided by Splendor Telecom UK Ltd. Nymgo offers high-quality VoIP…

ooVoo
A free video chatting and messaging app that was launched back in 2007. It was one of the first apps that introduced the feature of video…

A free video chatting and messaging app that was launched back in 2007. It was one of the first apps that introduced the feature of video…

Phoner
A freeware, softphone application for Microsoft Windows, from Win7 up to Win10. This application enables voice connections to landline…

A freeware, softphone application for Microsoft Windows, from Win7 up to Win10. This application enables voice connections to landline…

QuteCom
QuteCom (previously: WengoPhone) – a free, open source software SIP-compliant VoIP client developed by the QuteCom…

QuteCom (previously: WengoPhone) – a free, open source software SIP-compliant VoIP client developed by the QuteCom…

RetroShare
An open-source peer-to-peer communication and file sharing application. Retroshare establish encrypted connections between…

An open-source peer-to-peer communication and file sharing application. Retroshare establish encrypted connections between…

Ring
Ring (prevoiusly: SFLphone) – a free software for universal communication which respects the freedoms and privacy of its users. It is published…
Ring (prevoiusly: SFLphone) – a free software for universal communication which respects the freedoms and privacy of its users. It is published…

Silent Circle
An end-to-end encrypted voice, video, messaging, file transfer, and more VoIP application software. Silent Phone makes sure your…

An end-to-end encrypted voice, video, messaging, file transfer, and more VoIP application software. Silent Phone makes sure your…

Sipdroid
A free and open source SIP/VoIP client for Android devices, developed by the i-p-tel GmbH. The project started in March 12, 2009 by the…

A free and open source SIP/VoIP client for Android devices, developed by the i-p-tel GmbH. The project started in March 12, 2009 by the…

Skype
An application which lets users to make voice or video calls and keep in touch via an instant message system. It is available for many devices and…
An application which lets users to make voice or video calls and keep in touch via an instant message system. It is available for many devices and…

Tango
A messaging platform developed by TangoME, Inc. which was founded in September 2009 by Uri Raz and Eric Setton. It lets you make video…

A messaging platform developed by TangoME, Inc. which was founded in September 2009 by Uri Raz and Eric Setton. It lets you make video…

TeamSpeak
An internet communicator which uses the VoIP technology for voice and text communication between multiple users of a given server. The…
An internet communicator which uses the VoIP technology for voice and text communication between multiple users of a given server. The…

TeamTalk
A software conferencing system which enables a group of people to collaborate and share information. During a conference people can…

A software conferencing system which enables a group of people to collaborate and share information. During a conference people can…

Telephone
A VoIP program which allows you to make phone calls over the internet. It can be used to call regular phones via any appropriate SIP…

A VoIP program which allows you to make phone calls over the internet. It can be used to call regular phones via any appropriate SIP…

Threema
A secure messenger which keeps your data out of the hands of hackers, corporations, and governments. Threema can be used completely…

A secure messenger which keeps your data out of the hands of hackers, corporations, and governments. Threema can be used completely…

Twinkle
A softphone for your voice over IP and instant messaging communcations using the SIP protocol. You can use it for direct IP phone to IP…
A softphone for your voice over IP and instant messaging communcations using the SIP protocol. You can use it for direct IP phone to IP…

Ventrilo
A freeware VoIP client which includes text chat, and is available for OS X and MS Windows users. Ventrilo is the next evolutionary step of…

A freeware VoIP client which includes text chat, and is available for OS X and MS Windows users. Ventrilo is the next evolutionary step of…

Viber
a free and multi-platform messenger for voice and video conferencing, which also allows you to send text messages and image files at the same…
a free and multi-platform messenger for voice and video conferencing, which also allows you to send text messages and image files at the same…

WhatsApp
A free messaging and VoIP app available for iPhone and other smartphones, and desktop/laptops running under Windows or OS X. WhatsApp…
A free messaging and VoIP app available for iPhone and other smartphones, and desktop/laptops running under Windows or OS X. WhatsApp…

Wire
An open-source, encrypted collaboration suite featuring messenger, voice calls, video calls, conference calls, file-sharing, and external…

An open-source, encrypted collaboration suite featuring messenger, voice calls, video calls, conference calls, file-sharing, and external…

Yate
Yate (Yet Another Telephony Engine) – mainly a telephony engine; while currently focused on Voice over Internet Protocol (VoIP) and PSTN…

Yate (Yet Another Telephony Engine) – mainly a telephony engine; while currently focused on Voice over Internet Protocol (VoIP) and PSTN…

Zfone
A secure VoIP phone software product which lets you make encrypted phone calls over the Internet. Its principal designer is Phil Zimmermann…

A secure VoIP phone software product which lets you make encrypted phone calls over the Internet. Its principal designer is Phil Zimmermann…
