Signal is a popular private messaging, voice call and video call app. It is funded entirely by charitable donations and grants, and has no way of accessing its users’ data. (Note that signal requires you to activate your account on a phone app, you can’t just use a computer app.)
ANDROID APP – Signal Private Messenger
iPHONE APP – Signal Private Messenger
WINDOWS / MAC / LINUX APP – Signal Private Messenger
Jami (formerly known as Ring)
Jami is a free and simple voice call, video call and messaging application for all major phone and computer platforms. It is open source and designed to respect its users’ privacy. It gives all its members a unique code, which they can share with others so that they can add each other on the service.
(In case you’re confused, Ring has just changed its name to Jami. You may see both names used during the name transition.)
WEBSITE – Jami
ANDROID APP – Jami
iPHONE APP – Jami
WINDOWS APP – Jami
MAC APP – Jami
LINUX APP – Jami
Jitsi Meet is a free open source video chat app made by volunteers. It is extremely easy to use: you don’t need to register, all you need to do is make up the name of a chat room and send the link to whoever you want to join you (you can also add a room password if you want). You can use it through their website or through the mobile apps.
WEBSITE – Jitsi Meet
ANDROID APP – Jitsi Meet
iPHONE APP – Jitsi Meet
Zom is an extremely easy to use and free open source messenger app. You don’t need to register to use it, just think of a username. It’s compatible with the Jabber/XMPP standard used by many other messenger apps such as Conversations, so if you know someone who uses one of those other apps you can message them with Zom.
ANDROID APP – Zom Mobile Messenger
iPHONE APP – Zom Mobile Messenger