Communication—Chat & Collaboration


It's not only about you, it's about all those who will be protect if we start using secure, private communication channels. Many companies  claim to offer “private messaging” apps—but are they actually private and secure? Can they be verified (#FOSS) by independent researchers?
This is why we will present some that qualify as Ethical, Free Software while considering satisfying security, privacy and  how easy is to use them (UX).

Chat & Collaboration


Telegram is a messaging app with a focus on user experience. It enables text messaging, voice calls, file-sharing, private and public chat groups, huge scale channels, quiz, poll, blog posts, bots, image editing and many great features. It's super popular for community organizing and easy adoption.

Available for: Web, F-Droid, Linux, Mac, Windows, LinuxPhone, Android, iPhone and most of other devices and platforms


Signal is a messaging app with a focus on privacy and security. It enables text, voice chat and video  calls. Encryption protocol of Signal is often used as an example and recommended by best known security experts. It enables some level of anonymity, phone number is known to organization when you register.

Available for: Linux, Mac, Windows, Android, LinuxPhone, iPhone Android Tablet iPad Chrome 


Wire is a secure messaging app, and collaboration platform. It enables text and voice chat, video calls, conference calls, file-sharing. Wire is known for it's focus on security and innovation.  It enables anonymity, you can register only by email. 

Available for: Linux, Mac, Windows, Android, LinuxPhone, iPhone Android, Tablet iPad Chrome 

Jitsi Meet

Jitsi Meet is a fully encrypted, 100% open source video conferencing solution that you can use all day, every day, for free — with no account needed. You can video chat with the whole team. Just invite people to a conference via a simple link, no registration required. Broadcast video call with Jitsi instead using Zoom spyware. Jitsi has vibrant developer community and great reputation.  &    

Available for: Web, Android, iPhone, Android Tablet, iPad, Self-Hosted, Apple Watch...

Element / Matrix

An alternative to Slack that gives you the privacy you expect from a conversation. "Nirvana for developers". All-in-one secure chat app for teams, friends and organisations. Keeps conversations in your control, safe from data-mining and ads. Talk to everyone through the open global Matrix network, protected by proper end-to-end encryption.

Available For Web, Android, iOS, macOS, Windows & Linux