Dev tools · alternatives · 2026

24 alternatives to PassedBox

Portable encrypted file system with optional dead man switch

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 1 we have checked on their own sites, 1 of them free or with a free tier.

1. 1
   Passbox▲84

   Your digital safety deposit box

   2019 · passbox.co · its alternatives →

2. 2
   Passbox – Give access to your data only after you're dead▲110

   Passbox landing page. Sunset in November 2021.

   2019 · passbox.co · its alternatives →

3. 3
   3Box▲100

   Secure, private, decentralized user data storage

   2019 · 3box.io · its alternatives →

4. 4
   Vault3▲144

   A safe, decentralized vault for your files

   2022 · its alternatives →

5. 5
   Locker▲84

   Your digital vault

   2022 · locker.io · its alternatives →

6. 6
   Passbox – Another password manager using Bash and GPG▲41

   Simple command line password manager using a flat file as a database and GPG encryption - mrbalihai/passbox

   2015 · github.com · its alternatives →

7. 7
   Data Dead Drop▲191

   Simple file sharing, secure, self-destructing

   2024 · its alternatives →

8. 8
   Zerobox – Sandbox any command with file, network, credential controls▲141

   I'm excited to introduce Zerobox, a cross-platform, single binary process sandboxing CLI written in Rust. It uses the sandboxing crates from the OpenAI Codex repo and adds additional functionalities like secret injection, SDK, etc. Watch the demo: https://www.youtube.com/watch?v=wZiPm9BOPCg Zerobox follows the same sandboxing policy as Deno which is deny by default. The only operation that the command can run is reading files, all writes and network I/O are blocked by default. No VMs, no Docker, no remote servers. Want to block reads to /etc? zerobox…

   Mar 2026 · github.com · its alternatives →

9. 9
   transferfile.io▲85

   Encrypted filesharing through the IPFS network

   2021 · sedo.com · its alternatives →

10. 10
    Lockbox – simple encryption with key management▲25

    Encrypted storage with built-in key management facilities - starekrow/lockbox

    2017 · github.com · its alternatives →

11. 11CI
    CryptSend.io – Share encrypted files with randomly generated links▲74

    2018 · cryptsend.io · its alternatives →

12. 12
    Encrypto▲141

    Encrypt the files you send.

    2015 · macpaw.com · its alternatives →

13. 13
    Passkeys▲107

    Passwordless login

    2023 · developers.google.com · its alternatives →

14. 14
    Vaulty▲90

    Ridiculously easy end-to-end encrypted data sharing

    2023 · vaulty.tools · its alternatives →

15. 15
    Suprbox▲89

    Box for AI agents to secure enterprise data storage

    May 2026 · suprbox.com · its alternatives →

16. 16
    BackupBox▲1

    Zero-knowledge lifetime cloud storage with multi-user vaults

    Aug 2026 · backupbox.app · its alternatives →

17. 17
    Passary, Zero-knowledge Password Manager▲2

    Your passwords. Encrypted locally. Zero knowledge.

    Dec 2025 · passary.com · its alternatives →

18. 18
    I created an off-the-grid password manager that you can save to a file▲48

    Free password manager that you can keep for yourself in a single HTML file. Client side AES encryption, trust no one policy, off the grid password manager. Take full control of your data online or offline.

    2021 · passpilot.com · its alternatives →

19. 19
    DeadDrop – Tiny tool to share files anonymously▲27

    Find information, resources and relevant links for deaddrop.space. This domain may be for sale.

    2025 · deaddrop.space · its alternatives →

20. 20SD
    Self destructing, encrypted messaging with file upload▲40

    2014 · popbox.io · its alternatives →

21. 21
    Passy▲14

    Password Manager of the Future. | Simple, Secure, Offline

    2024 · passy-website.vercel.app · its alternatives →

22. 22
    End-to-End Encrypted Dead Man's Switchfree tier, from $3.33/mo▲17

    Secure your digital assets with Cipherwill's Dead Man's Switch. Ensure seamless transfer of critical information to your beneficiaries. Protect your legacy today!

    2024 · cipherwill.com · its alternatives →

23. 23
    LockBox - Secret Photo Vault▲13

    Keep your private photos and videos truly private

    2025 · apps.apple.com · its alternatives →

24. 24
    PassCrypt - Ultimate Password Manager▲2

    Your passwords encrypted before they leave your device.

    Jun 2026 · passcrypt.online · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →