Growth · alternatives · 2026

24 alternatives to The Pitch - 41: Paubox—Email Encryption for Healthcare

Hoala Greevy pitches his HIPAA compliant email service

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. The Pitch - 41: Paubox—Email Encryption for Healthcare launched in 2016; newer entries below may have overtaken it.

1. 1
   Hello Inbox▲283

   Hey HN, I built an email deliverability SaaS with a RAG system. It's trained on all my knowledge and hundreds of real deliverability use cases from 4+ years experience as an Email Deliverability Specialist on Upwork. It solves a frustration problem a lot of businesses are experiencing. I'm looking for feedback so let me know in the comments.

   Aug 2026 · helloinbox.email · its alternatives →

2. 2
   Superinbox▲531

   Email vibing in your Gmail / Outlook

   Oct 2025 · superinbox.com · its alternatives →

3. 3
   UnInbox▲877

   Open source modern email for teams and professionals

   2024 · uninbox.com · its alternatives →

4. 4
   ProtonMail▲199

   End-to-end encrypted email - now on iOS & Android

   2016 · proton.me · its alternatives →

5. 5
   Beeble▲314

   The safest platform to exchange emails and store files

   2024 · beeble.com · its alternatives →

6. 6
   HIPAA SmartChat Assistant▲182

   AI powered healthcare bots, integrate & embed with ease

   2024 · quickblox.com · its alternatives →

7. 7
   Just Mail▲64

   Secured email platform based on distributed storage network

   2014 · its alternatives →

8. 8
   ProtonMail▲144

   Encrypted email, made simple. Now open to everybody.

   2015 · proton.me · its alternatives →

9. 9
   Primeforge▲232

   Google & Microsoft mailboxes for cold email

   2025 · primeforge.ai · its alternatives →

10. 10
    HIPAA compliant forms by JotForm▲146

    The easy way to collect sensitive patient information.

    2020 · jotform.com · its alternatives →

11. 11
    CompliantChatGPT▲141

    New AI models, multi-file upload, & scribing for clinicians

    2024 · compliantchatgpt.com · its alternatives →

12. 12
    M for iOS▲126

    Email app with automatic encryption

    2015 · mynigma.org · its alternatives →

13. 13
    Medable - The platform for healthcare▲95

    HIPAA Compliance, Research

    2016 · medable.com · its alternatives →

14. 14
    Votebox▲125

    Secure internet voting

    2017 · votebox.co · its alternatives →

15. 15EE
    Easy Email Encryption inside Gmail (Alpha, Open-Source)▲170

    Manage sales and customer relationships directly inside Gmail. Streak is the CRM your team will actually use—integrated, smart, and loved by 750,000+ users.

    2013 · streak.com · its alternatives →

16. 16
    ProtonMail▲82

    End-to-end encrypted email, based in Switzerland.

    2014 · proton.me · its alternatives →

17. 17
    KleanMail Free Email Verifier▲177

    Emails inboxed, always.

    2022 · kleanmail.com · its alternatives →

18. 18
    Stampery▲118

    Certify your emails using the blockchain

    2015 · stampery.com · its alternatives →

19. 19
    Knack MCP Server▲84

    The HIPAA-compliant backend for AI builders

    Aug 2026 · knack.com · its alternatives →

20. 20
    InboxHealth▲76

    A patient management for the modern healthcare practice

    2015 · inboxhealth.com · its alternatives →

21. 21
    Mailvelope▲61

    End-to-end email encryption for webmail

    2021 · mailvelope.com · its alternatives →

22. 22
    ZeroInbox.ai▲130

    Check it out lets make it better

    2024 · zeroinbox.ai · its alternatives →

23. 23
    Hop Encrypted Email▲132

    Completely private chat email, w/ encrypted email messaging

    2017 · spikenow.com · its alternatives →

24. 24
    Unibox for iOS▲101

    Your emails organized by person

    2015 · uniboxapp.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 →