Work · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Side project turned startup - Online Privacy via Client-side encryption launched in 2011; newer entries below may have overtaken it.

1. 1CF
   Conclave - free, encrypted collaboration for personal and business▲5

   2017 · conclave.global · its alternatives →

2. 2
   The Architecture Of Privacy▲68

   How to engineer technologies with trustworthy safeguards

   2015 · oreilly.com · its alternatives →

3. 3
   Stackfield▲60

   Real-time collaboration with end-to-end encryption

   2015 · stackfield.com · its alternatives →

4. 4CA
   Certera – A central validation server for Let's Encrypt certificates▲8

   2019 · docs.certera.io · its alternatives →

5. 5
   Secure end-to-end client sessions and API calls using crypto key pairs▲9

   Hello. I made this project as an experiment in using key cryptography for user identity in a client server model, and for some future peer to peer projects that I am working on. I am looking for feedback, please let me know what you think. Also, Merry Christmas to HN! :-)

   2022 · github.com · its alternatives →

6. 6SA
   Sqreen API, a security toolbox for developers▲8

   2017 · sqreen.io · its alternatives →

7. 7SC
   Smart Contracts for Cracking Passwords▲9

   2017 · initialized.github.io · its alternatives →

8. 8WT
   Web Tunnels – Passwordless authentication for the web▲6

   2024 · pico.sh · its alternatives →

9. 9BC
   Bailiff – Codecademy of Web App Security▲9

   2015 · bailiff.io · its alternatives →

10. 10
    Tresorit▲20

    Encrypted cloud storage and sharing

    2014 · tresorit.com · its alternatives →

11. 11EE
    E2E encrypted “multiplayer” text editor on the web in 6kb▲9

    2022 · picnic.lecaro.me · its alternatives →

12. 12
    Let's Encrypt as a Service (SSL Custom Customer Domains)▲8

    2016 · clearalias.com · its alternatives →

13. 13CA
    Cheshire: a CryptoKitties developer sandbox▲7

    2018 · medium.com · its alternatives →

14. 14CP
    Carbn – Privacy Superpowers for Devs to Solve GDPR and Build in Trust▲6

    2018 · carbn.io · its alternatives →

15. 15OS
    Open-Source, End-to-End Encrypted, Anywhere-to-Anywhere, RPCs▲6

    2020 · telekinesis.cloud · its alternatives →

16. 16PF
    PubStorm – Free CLI-based static web hosting with Let's Encrypt support▲9

    2016 · pubstorm.com · its alternatives →

17. 17EO
    EMP – Open Source Encrypted Messaging▲7

    2014 · emp.jar.st · its alternatives →

18. 18
    A simple way to share secure information online (written in Elixir)▲5

    2020 · github.com · its alternatives →

19. 19NG
    NSA-grade encryption and anonymization for health and financial data▲9

    2018 · nukleosome.com · its alternatives →

20. 20AP
    A privacy appliance for email over Tor▲5

    2015 · lookingglass.email · its alternatives →

21. 21FG
    Freenet Ghost Keys: Anonymous, Verifiable Identities▲6

    2024 · freenet.org · its alternatives →

22. 22ES
    Encrypted, synced, offline first todo list▲5

    2020 · encrypted-todos.com · its alternatives →

23. 231P
    123Metrics – Privacy centered website metrics▲7

    2019 · 123metrics.com · its alternatives →

24. 24
    KeeNotes - a Privacy-First Personal Knowledgebase Tool▲8

    2021 · github.com · 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 →