Plex: Stream Movies & TV - Apps on Google Play

Debug pre-built APKs, Android Studio

Ketch on LinkedIn: Ketch

KohideVPN - Secure & Privacy on the App Store

List of free and open-source Android applications - Wikipedia

Avira Free Antivirus for Windows free download

Signal Private Messenger - Apps on Google Play

Firefox Focus: The privacy browser

Another Monster at the End of This BookStarring Grover & Elmo!::Appstore for Android

Fast VPN - Apps on Google Play

Incognito Browser - Go Private - Apps on Google Play