Linphone is an open source VoIP client available for all major desktop and mobile phone platforms. Its installation is very simple as indicated in its Wiki. It also offers us functions such as calls to landlines and mobiles and also an SMS function. It is an open source VoIP client that offers video conferencing and instant messaging.

ekigaĮkiga was formerly known as GnomeMeeting. A colleague already told us about him in a previous article, in which he also taught us how easy it is to install. This program it has a very simple user interface and is very easy to use. Tox is a free, open source VoIP application that offers instant messaging, group conversations, file sharing, and voice and video calls from Tox to Tox. This is a very popular VoIP application that we can use simply by scanning the QR code with our phone. Offers all the functions of the WhatsApp mobile applicationsuch as instant messaging, voice chat, file sharing, and video calling. WhatsApp does not have a dedicated client for Gnu / Linux but we can access it through our Web navigator. It offers completely free text, voice and video calls, so it could be a practical alternative to Skype. After being tested on Ubuntu and Fedora, it offers many features like text messages, photos and tags, group chats, calls, syncing, etc. Viber is a client of Cross-platform VoIP available for almost all major platforms desktop and mobile. Discord could turn out to be one of the best alternatives to Skype with better call quality and outperforming other features in Skype. In addition we can also use it from our web browser. Have a Electron-based Gnu / Linux client, as a colleague pointed out some time ago. Discordĭiscord is a 100% free VoIP client and very popular with gamers, but it can also be very useful for non-gamers. If we do not prefer not to install this client, we will also be able to use Hangouts directly from our web browser. We can use Hangouts in Ubuntu by installing the client YakYak, which is an unofficial Hangouts app. Hangouts offers features like VoIP, SMS, instant messaging, and video chat. It is Google's cross-platform online video calling and messaging software. This is perhaps the Skype's number one competitor. Alternatives to Skype in Ubuntu Google Hangouts

Free online skype alternative