Security

andOTP

Time-based One-time Passwords (TOTP) from QR codes for two-factor authentication

Mullvad VPN: privacy is a universal right

Protect your online privacy with a fast, trustworthy, and easy-to-use VPN.

TrackerControl

TrackerControl allows to monitor and control hidden data collection in apps.

KeePassDX

Secure and open source password manager compatible with KeePass files.

Vigilante

Know when a third-party app uses your device camera/microphone

FreedomBox

A companion app for your FreedomBox server

Secure File Manager Beta

File manager for keeping your files in safe

Insular

Isolate your Big Brother apps

Lavabit Proxy

Client for Lavabit‘s VPN

OpenKeychain: Easy PGP

Encrypt your Files and Communications. Compatible with the OpenPGP Standard.

AdAway

A free and Open Source ad blocker for Android.

Standard Notes

A simple and private notes app

PCAPdroid

No-root network monitor and traffic dump tool for Android devices

SelfPrivacy

Self-hosted services without pain

LibreAV

A free and open-source anti-malware using machine learning

p≡p | Pretty Easy Privacy (pEp)

Read and write encrypted e-mails

Cryptocam - encrypted video recording

Record encrypted video to protect sensitive footage.

RethinkDNS: Fast, private, and safe DNS + Firewall

Firewall apps, monitor network activity, block malware, change DNS.

InviZible Pro: increase your security, protect you

Comprehensive application for on-line privacy and security

AFWall+

Control network traffic

Stingle Photos

Stingle Photos is a secure, end-to-end encrypted gallery and sync app

OONI Probe

Open Observatory of Network Interference (OONI)

FindMyDevice

Locate your smartphone via SMS when it gets lost

NC Passwords

A password manager app for Nextcloud's Passwords app

Trigger

Open doors via Wi-Fi using HTTPS/SSH.

DroidFS

Store & access your files securely

Freenet mobile

Access Freenet from the palm of your hand

Briar

Secure Messaging, Anywhere

Router Keygen YoloSec

Generate default WPA/WEP keys

Fake Contacts

Create fake phone contacts, for data-poisoning.