Anyone can say their app is private. An independent audit means a security firm went through the code or infrastructure and the results were published. Each app below names the firm and the year of its most recent public audit.
29 apps
Cloud storage
Swiss cloud drive where files, photos and the built-in Docs and Sheets are encrypted on your device before upload.
Notes6.7k
Simple, end-to-end encrypted notes that sync on every device, from a company now owned by Proton.
Photos29.6k
Photo and video backup with end-to-end encryption, so Ente cannot see your library. Apps for every platform, plus family sharing.
Password managers14.1k
Open-source password manager that syncs an end-to-end encrypted vault across every device, with a full free plan.
Password managers
Password manager from the Swiss Proton team that encrypts logins, notes and passkeys on your device and adds email aliases.
Password managers29.5k
Offline password manager for computers that keeps everything in one encrypted KeePass file you store and sync where you like.
2FA authenticators29.6k
Free 2FA app for phones, desktops and web that can sync your codes end-to-end encrypted, or run offline with no account.
File encryption16.3k
Encrypts files one by one inside a vault folder before they sync to Dropbox, Google Drive or any other cloud.
File encryption11.9k
Creates encrypted containers or encrypts whole drives and USB sticks, including the system disk on Windows.
Messaging19.6k
Messenger with no user IDs at all: contacts connect through one-time links, so there is no number or username to leak.
Messaging1k
Swiss messenger you buy once; it works with a random Threema ID, no phone number or email required.
Email5.7k
Swiss email where your mailbox is encrypted so the provider can't read it, with apps on every platform.
VPNs7.7k
Swedish VPN with one flat price, accounts made of a random number with no email, and cash or Monero payment accepted.
VPNs4.2k
Swiss VPN with a free plan that has no data cap or ads, open-source apps, and yearly no-logs audits.
VPNs538
Gibraltar-based VPN with anonymous account IDs, no email required, and a Cure53 security audit every year.
Cloud storage
Spanish zero-knowledge cloud drive with open-source apps, a small free plan and published audits.
Cloud storage2.5k
End-to-end encrypted storage and sharing built on a peer-to-peer network, hosted or self-run.
Notes
Notes kept as plain Markdown files on your device, with optional end-to-end encrypted sync.
Password managers
The original offline password safe for Windows, free and open source, with a large set of plugins.
Messaging931
Encrypted messenger that gives you a random ID instead of asking for a phone number, and routes messages through an onion network.
Messaging13.6k
Chat app for the open Matrix network: encrypted private chats and rooms, and you can pick or run your own server.
Messaging1.2k
Encrypted messenger and team workspace with calls and file sharing, built on the MLS standard for group encryption.
Messaging1.8k
Messenger that runs over email: it creates an encrypted address for you on a chat-only server, no phone number asked.
Messaging
Android messenger that syncs directly between phones over Tor, Wi-Fi or Bluetooth, so it keeps working without internet.
Messaging244
French messenger that works without a phone number or email; you add contacts by scanning or sharing a code.
VPNs1.1k
Canadian VPN with a free monthly data allowance, open-source apps, and a pay-per-location plan.
VPNs
Swedish WireGuard VPN running on diskless servers it owns, with a 2026 infrastructure audit by X41 D-Sec.
VPNs652
Mozilla's WireGuard VPN, running on Mullvad's server network, with open-source apps and a Firefox account login.
VPNs
VPN split between two parties: Obscura sees your IP but not traffic, the Mullvad exit sees traffic but not you.
