Dev tools · alternatives · 2026

24 alternatives to Seal – Letters and passwords that open for your family after you die

Contribute to jasonepage/Seal development by creating an account on GitHub.

Seal is a tool that lets families access letters and passwords after a person dies. It stores sensitive information and messages that remain sealed until specified conditions are met, then automatically shares them… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1SV
   Seal – Verifiable timestamp for your private ideas▲113

   2022 · docs.planet.ink · 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
   iDied – After death notes▲185

   Like online will, but for notes

   2022 · its alternatives →

4. 4
   Sealit▲509

   Simple data security to get compliant & stay productive

   2023 · its alternatives →

5. 5
   Posterity Passwords▲238

   Transfer passwords to loved ones if something happens to you

   2022 · its alternatives →

6. 6
   Cipherwill▲260

   Ensure your data reaches your loved ones when you pass away

   2025 · cipherwill.com · its alternatives →

7. 7
   1Password 7 for Mac and Windows▲552

   Save your passwords and log in to sites with a single click

   2018 · apps.apple.com · its alternatives →

8. 8
   Passage by 1Password▲236

   Frictionless security: auth & user management with passkeys

   2023 · 1password.com · its alternatives →

9. 9
   Backup Diary▲76

   Leave your family informed

   2023 · backupdiary.com · its alternatives →

10. 10
    WeExpire.org – Notes readable only after your death▲73

    Create secure emergency notes for free with WeExpire — a privacy-first, open-source alternative to online wills and digital legacy tools.

    2023 · weexpire.org · its alternatives →

11. 11
    Password Diary▲91

    The password manager designed for older people.

    2020 · its alternatives →

12. 12
    LastPass▲176

    Newly launched Mac OS X integration for password management

    2015 · lastpass.com · its alternatives →

13. 13
    Enclosed▲143

    Send private and secure notes

    2024 · enclosed.cc · its alternatives →

14. 14
    LastMessage▲13

    Your final words, delivered when they matter most

    2025 · lastmessage.net · its alternatives →

15. 15
    1Password CLI 2.0▲90

    Manage secrets in your terminal with biometric unlock.

    2022 · 1password.dev · its alternatives →

16. 16
    Bequeath.app▲157

    Share digital files after death

    2024 · its alternatives →

17. 17
    Seald SDK▲108

    Protect your users' data with end-to-end encryption.

    2021 · seald.io · its alternatives →

18. 18
    Let's Seal – Let's Encrypt for document signing, free and self-hosted▲94

    TLDR, Let's Seal gives the finger to Adobe and every doc signing tool (docusign, google, etc) who pay to play with the Adobe Approved Trust List and then charge you for something that should be free. Currently even the person checking if a document/contract is sealed or code is authentic has to also be inside the same Adobe walled garden too. Verification, the part that should be free is the part everyone charges for. Thats the shape Let's Encrypt fixed for TLS, and I wanted the same thing for documents and files. The core idea therefore needed to go a bit beyond e signatures and i…

    Jul 2026 · github.com · its alternatives →

19. 19
    Mr.Seal▲8

    Seal Your Data

    2024 · play.google.com · its alternatives →

20. 20
    Lantern▲117

    Your guide to navigating life before and after a death.

    2020 · wellthy.com · its alternatives →

21. 21
    Clocr▲107

    Your family's best friend in unexpected times

    2022 · clocr.com · its alternatives →

22. 22
    1Password Developer Tools▲105

    Develop faster, eliminate complexity, protect your secrets

    2022 · 1password.com · its alternatives →

23. 23
    SealedIn▲2

    Digital time capsules for the people you love.

    Mar 2026 · sealedin.app · its alternatives →

24. 24CS
    Crypt – Secure Configuration Storage in Etcd or Consul▲69

    Crypt : Store and retrieve encrypted configuration parameters from etcd or consul

    2014 · xordataexchange.github.io · 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 →