Growth · alternatives · 2026

24 alternatives to Software for Business & Government

Secure Email Encryption Software

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes.

1. 1
   SafeMailer.io▲1

   Secure Email Encryption Software

   Aug 2026 · app.safemailer.io · its alternatives →

2. 2
   Beeble▲314

   The safest platform to exchange emails and store files

   2024 · beeble.com · its alternatives →

3. 3
   Just Mail▲64

   Secured email platform based on distributed storage network

   2014 · its alternatives →

4. 4
   Sender▲297

   Super easy and affordable email marketing platform

   2021 · sender.net · its alternatives →

5. 5
   Fastmail▲82

   A privacy focused email client

   2019 · fastmail.com · its alternatives →

6. 6
   Guardian Digital▲66

   Guardian Digital makes email safe for business

   2021 · guardiandigital.com · its alternatives →

7. 7
   Sidemail 2.0▲306

   Hi all! I'm Kristyna, maker of Sidemail. I'd love to share with you what we've been building. We built Sidemail because sending emails from a SaaS app was way harder than it should be. Sidemail is made for developers and teams that want one simple place to handle SaaS emails with reliable delivery and no bloat. It has: - Everything for creating, managing and delivering SaaS emails in one platform, - Easy-to-use email API for sending password resets, receipts, etc. - Messenger for writing product updates and newsletters, - Email automations for onboarding and lifecycle flows, - Fast email…

   Nov 2025 · sidemail.io · its alternatives →

8. 8
   ProtonMail▲199

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

   2016 · proton.me · its alternatives →

9. 9
   KleanMail Free Email Verifier▲177

   Emails inboxed, always.

   2022 · kleanmail.com · its alternatives →

10. 10
    Maildax▲139

    secure and anonymous temporary emails

    2022 · maildax.com · its alternatives →

11. 11EE
    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 →

12. 12
    M for iOS▲126

    Email app with automatic encryption

    2015 · mynigma.org · its alternatives →

13. 13EI
    EmailPK – Instant encrypted email▲53

    2014 · diafygi.github.io · its alternatives →

14. 14
    Emailgurus - Open Source▲111

    Keep your Gmail inbox focused on people you know

    2022 · keepknown.com · its alternatives →

15. 15
    StealthMail▲67

    Best-in-class secure email channel solutions 📧🔒

    2018 · stealthmail.com · its alternatives →

16. 16
    AraMailer▲79

    Powerful email marketing software to get more sales & clicks

    2021 · its alternatives →

17. 17
    Mailnest▲100

    Sandbox Email testing tool for IT product, service companies

    2020 · mailnest.io · its alternatives →

18. 18
    Mailfence secure and private email▲11

    Easy to use end-to-end encrypted email.

    2016 · mailfence.com · its alternatives →

19. 19EE
    Email encoder – protect your public emails from bots and crawlers▲19

    2022 · freetools.dev · its alternatives →

20. 20
    BMail▲93

    Encrypt emails and attachments

    2024 · chromewebstore.google.com · its alternatives →

21. 21
    PipeMail▲91

    Protect user privacy, decentralized email app

    2022 · pipemail.xyz · its alternatives →

22. 22
    Easily send encrypted email from your existing email▲22

    Download Virtru Email Protection for Google Chrome and Microsoft Outlook to start sending encrypted emails and attachments.

    2014 · virtru.com · its alternatives →

23. 23
    RiskyVerifier▲28

    Verify Catch all, Unknown and Risky Emails with 98% Accuracy

    2025 · riskyverifier.io · its alternatives →

24. 24
    Email Security for Google Workspace▲37

    Instant security for your Google Workspace email accounts

    2023 · 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 →