Proton VPN
Software · Open sourceSecures your internet and protects your online privacy.
Limited free planWinMacLinuxAndroidiOSPassword managers, encryption, browsers and privacy tools.
Secures your internet and protects your online privacy.
Limited free planWinMacLinuxAndroidiOSA secure and free password manager for all of your devices.
Limited free planWinMacLinuxAndroidiOSSecure and Full-featured Password Manager.
Completely freeWinMacLinuxClamUI is an antivirus program, available on Linux.
Completely freeLinuxAuthenticator is a two-factor authentication program, available on Linux.
Completely freeLinuxA fast, secure and easy to use VPN. Built by the makers of Firefox.
Completely freeWinLinuxEnte Auth is a two-factor authentication program, available on Windows, macOS, Linux, Android and iOS: end-to-end encryption, data encryption and sync across devices.
Limited free planWinMacLinuxAndroidiOSGraphical interface for displaying OATH codes with a YubiKey.
Completely freeWinMacLinuxAndroidiOSReverse engineering Protobuf apps.
Completely freeLinuxPermanently delete your files.
Completely freeLinuxA cross-platform GUI for the Nmap Security Scanner.
Completely freeLinuxWallet Management Tool.
Completely freeLinuxManage your passwords and encryption keys.
Completely freeLinuxZAP is a security testing program, available on Linux.
Completely freeLinuxCalculate message digests or checksums.
Completely freeLinuxApplication for managing TOTP/HOTP tokens with built-in encryption.
Completely freeLinuxBouncer is a firewall, available on Linux.
Completely freeLinuxOpen source disk encryption: encrypted containers, partitions and system drives.
Completely freeWinMacLinuxAFWall+ is a firewall, available on Android.
Free, with trade-offsAndroidAd-Free is an ad and tracker blocking mobile app, available on Android.
Completely freeAndroidA free and Open Source ad blocker for Android.
Completely freeAndroidHide your private Files and APPs with a single click.
Completely freeAndroidData connection through DNS tunneling.
Completely freeAndroidReceive encrypted messages while Briar is offline.
Completely freeAndroidHashsum calculation utility.
Completely freeAndroidTwo-factor authentication.
Completely freeAndroidI2P anonymous network.
Completely freeAndroidEncrypted DNS client.
Completely freeAndroidKeePassDroid is a password manager, available on Android: KeePass format compatibility.
Completely freeAndroidGenerate unique passwords for your accounts based on a master password.
Completely freeAndroidSecure app for viewing passwords for the Nextcloud Passwords app.
Completely freeAndroidMeasure Internet Censorship, Speed & Performance.
Free, with trade-offsWinMacAndroidPrivate messaging for everyone.
Free, with trade-offsAndroidEncrypt your Files and Communications. Compatible with the OpenPGP Standard.
Completely freeAndroidOpenVPN without root.
Completely freeAndroidHelps you to memorize PIN codes.
Completely freeAndroidFirewall apps, use WireGuard VPN, monitor network, block malware, change DNS.
Completely freeAndroidPrivacy-focused SMS app with encrypted conversations.
Completely freeAndroidReads and verifies the chip of passports and ID cards, fully offline.
Completely freeAndroidA shadowsocks client for TV.
Completely freeAndroidEncrypts plain text using AES256.
Completely freeAndroidThe simplest, fastest, smallest Tor proxy app (early test release).
Completely freeAndroidTrackerControl allows to monitor and control hidden data collection in apps.
Completely freeAndroidOpen doors via Wi-Fi using HTTPS/SSH.
Completely freeAndroidOffline password generator — one master password for every site.
Completely freeAndroidQR & barcode scanner. See the link before it opens.
Free, with trade-offsAndroidmOTP is a password generator, available on Android.
Completely freeAndroidDNS request based Host Blocker over local VPN using a Blocklist.
Completely freeAndroid