Subrosa is an open source, end to end encrypted messaging app. It supports text, voice and video calls, and all communication is end to end encrypted. Subrosa can be run from any browser, without any downloads. Subrosa's security has been independently audited. It is licensed under the GPL license.
TeamSpeak is a proprietary Voice over IP software that allows users to speak on a chat channel with other users, much like a t ...
Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports prot ...
Skype is the most popular free voice-over IP and instant messaging service globally. It allows users to text, video and voice ...
Mumble was the first and is the most successful and wide spread free and open source software for VoIP. It was the first VoIP ...
Wire is a secure and private messenger for phones, tablets and desktop. Crystal clear voice and video calls, private group cha ...
Jitsi Meet is an OpenSource (MIT) WebRTC JavaScript application that uses Jitsi Videobridge to provide high quality, scalable ...
Telegram is a messaging app created by former VK creators with a focus on speed and security. It’s superfast, simple and free. ...
ChatSecure is a free and open source messaging app that features OTR encryption over XMPP. You can connect to your existing ac ...
With the rise of widespread government monitoring programs, Tox is an easy to use application that allows you to connect with ...
WhatsApp Messenger is a cross-platform mobile messaging app which allows you to exchange messages without having to pay for SM ...
Ring positions itself as a potential free Skype replacement Open Source and cross-platform. Ring gives you a full control over ...
Linphone is an internet phone or Voice Over IP phone (VoIP). With Linphone you can communicate freely with people over the int ...