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. Conclave - free, encrypted collaboration for personal and business launched in 2017; newer entries below may have overtaken it.

1. 1SP
   Side project turned startup - Online Privacy via Client-side encryption▲5

   2011 · socialfortress.com · its alternatives →

2. 2
   Ring▲83

   A free software for distributed and secured communication

   2015 · its alternatives →

3. 3OS
   Open-Source, End-to-End Encrypted, Anywhere-to-Anywhere, RPCs▲6

   2020 · telekinesis.cloud · its alternatives →

4. 4
   Secret▲129

   Share anonymously with your friends. Speak freely.

   2014 · its alternatives →

5. 5
   Tresorit▲20

   Encrypted cloud storage and sharing

   2014 · tresorit.com · its alternatives →

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

   2022 · picnic.lecaro.me · its alternatives →

7. 7FE
   Federated, Encrypted, Anonymous Chat, with Video Support▲5

   2021 · ognode.herokuapp.com · its alternatives →

8. 8
   Let's Encrypt▲26

   A new Certificate Authority - free, automated, and open.

   2015 · letsencrypt.org · its alternatives →

9. 9CA
   Certera – A central validation server for Let's Encrypt certificates▲8

   2019 · docs.certera.io · its alternatives →

10. 10EO
    EMP – Open Source Encrypted Messaging▲7

    2014 · emp.jar.st · its alternatives →

11. 11AP
    A plain-text eisenhower matrix with end-to-end encrypted sync▲6

    2020 · slymax.com · its alternatives →

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

    2016 · clearalias.com · its alternatives →

13. 13PF
    PubStorm – Free CLI-based static web hosting with Let's Encrypt support▲9

    2016 · pubstorm.com · its alternatives →

14. 14NG
    NSA-grade encryption and anonymization for health and financial data▲9

    2018 · nukleosome.com · its alternatives →

15. 15
    EXTRA SAFE▲14

    Blockchain Security for Conferencing

    2025 · extrasafe.chat · its alternatives →

16. 16FG
    Freenet Ghost Keys: Anonymous, Verifiable Identities▲6

    2024 · freenet.org · its alternatives →

17. 17
    A simple way to share secure information online (written in Elixir)▲5

    2020 · github.com · its alternatives →

18. 18SC
    Smart Contracts for Cracking Passwords▲9

    2017 · initialized.github.io · its alternatives →

19. 19
    crype – diffable/syncable encryption for files or shell pipes▲5

    2014 · code.ivysaur.me · its alternatives →

20. 20CA
    Cheshire: a CryptoKitties developer sandbox▲7

    2018 · medium.com · its alternatives →

21. 21EC
    Encrypted Chat Rooms.▲6

    2013 · tesla.im · its alternatives →

22. 22AE
    Algebraic — Effortless macOS file encryption, integrated with Finder.▲7

    2022 · algebraic.cc · its alternatives →

23. 23MS
    Minimalistic secure open source paste bin service▲9

    2016 · bin.so · its alternatives →

24. 24SS
    Securing Services with Pipy and OpenID Connect▲5

    2022 · medium.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 →