37C3 Wifi Setup

Official NOC application for connecting to the 36C3 Wi-FiApache-2.0

Element X - Secure Chat & Call

Sovereign. Seamless. On MatrixAGPL-3.0-or-later

Cryptocam - encrypting camera app

Take encrypted photos and video to protect sensitive information.GPL-3.0-or-later

ProtonVPN - Secure and Free VPN

Free Swiss VPN with advanced security and privacy features.GPL-3.0-only

Proton Pass: Password Manager

Password manager created by the scientists who met at CERN behind Proton Mail.GPL-3.0-or-later

Rethink: DNS + Firewall + VPN

Firewall apps, use WireGuard VPN, monitor network, block malware, change DNS.Apache-2.0

DroidFS

Store & access your files securelyAGPL-3.0-only

Material Notes

Simple, local, material design notesAGPL-3.0-or-later

FairEmail

Fully featured email client. Neat, intuitive user interface. Privacy friendlyGPL-3.0-only

NymVPN: Secure VPN by Nym

NymVPN: Nym's VPN for privacy—no logs, no tracking, full anonymity online.GPL-3.0-only

Calyx VPN

Free VPN Service offered by The Calyx InstituteGPL-3.0-only

Carnet

Powerful note taking app with sync and online editorGPL-3.0-only

Tuta Mail

Encrypted email & calendar service - easy to use, secure by design.GPL-3.0-or-later

K-9 Mail

Full-featured email clientApache-2.0

Thunderbird: Free Your Inbox

Thunderbird is a 100% open source, privacy focused email app.Apache-2.0

Thunderbird Beta for Testers

Thunderbird is a 100% open source, privacy focused email app.Apache-2.0

Jami

Share, freely and privatelyGPL-3.0-or-later