Growth · alternatives · 2026

24 alternatives to Skiff Mail

Private, end-to-end encrypted, open-source mail

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Skiff Mail launched in 2022; newer entries below may have overtaken it.

1. 1
   Skiff▲165

   Simple & secure privacy-first notes and collaboration

   2021 · skiff.org · its alternatives →

2. 2
   Skizzle▲89

   End-to-end encrypted attachments in Gmail

   2021 · its alternatives →

3. 3
   I made an open-source anonymous email forwarding service▲393

   Create unlimited email aliases for free. Protect your real email from spam by using a different address for each service. Privacy friendly, anonymous replies.

   2019 · anonaddy.com · its alternatives →

4. 4OS
   Open-source, MIT JavaScript crypto library behind Skiff Mail▲8

   2023 · npmjs.com · its alternatives →

5. 5
   1SecMail▲112

   Free disposable email that actually arrives in real time

   2025 · tmaily.com · its alternatives →

6. 6
   Burner Mail▲295

   Stop giving away your personal information

   2018 · chromewebstore.google.com · its alternatives →

7. 7
   ProtonMail▲82

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

   2014 · proton.me · its alternatives →

8. 8
   CloakGuru▲95

   Send and receive emails anonymously

   2024 · cloakguru.com · its alternatives →

9. 9
   End-to-end encrypted email, based in Switzerland▲45

   Proton Mail is the world’s largest secure email service with over 100 million users. Available on Web, iOS, Android, and desktop. Protected by Swiss privacy law.

   2014 · protonmail.ch · its alternatives →

10. 10
    ProtonMail 2.0▲214

    Secure email that respects your privacy, with slick new look

    2021 · proton.me · its alternatives →

11. 11
    MailDrop, throwaway e-mail addresses, built with Scala and Akka▲81

    Maildrop provides free disposable e-mail addresses for use in web forms, app signups, or any other place you'd like to protect your privacy.

    2013 · maildrop.cc · its alternatives →

12. 12
    Hide My Email - Open Source Extension▲114

    Use unique, random addresses when signing up for websites.

    2025 · github.com · its alternatives →

13. 13
    Hop Encrypted Email▲132

    Completely private chat email, w/ encrypted email messaging

    2017 · spikenow.com · its alternatives →

14. 14
    ProtonMail▲144

    Encrypted email, made simple. Now open to everybody.

    2015 · proton.me · its alternatives →

15. 15AA
    An ad free temporary mail service▲54

    Made this privacy conscious temporary mail extension as a hobby a few years ago as I found a cool domain. I've now revamped the UI, added more domains and created an extension that shows your inbox in your browser (it only asks for permission to read from TemporaryMail.com and not all sites like the other extensions), it's also free from ads (paying the service out of pocket and perhaps adding an upgrade feature later on). What makes this site a bit more unique is that I wrote the email parser from scratch following the RFC (took me 2 months and tons of testing) so it should display all…

    2024 · its alternatives →

16. 16
    Emailgurus - Open Source▲111

    Keep your Gmail inbox focused on people you know

    2022 · keepknown.com · its alternatives →

17. 17
    InboxFee▲79

    Make strangers pay for their cold emails

    2020 · its alternatives →

18. 18
    EmailOnDeck▲117

    Free & fast, temporary emails in 2 easy steps

    2016 · emailondeck.com · its alternatives →

19. 19
    AnonAddy▲132

    Open-source anonymous email forwarding. Stop spam.

    2019 · addy.io · its alternatives →

20. 20
    AnoneMail▲91

    Keep your email address private

    2020 · play.google.com · its alternatives →

21. 21
    Mailchain▲90

    Web3 email and messaging for everyone

    2022 · its alternatives →

22. 22EI
    EmailPK – Instant encrypted email▲53

    2014 · diafygi.github.io · its alternatives →

23. 23
    Mailvelope▲61

    End-to-end email encryption for webmail

    2021 · mailvelope.com · its alternatives →

24. 24
    Forward Email – Open-Source Quantum Safe Encrypted Email Service▲35

    Get free email forwarding for custom domains. Send & receive as [email protected] with unlimited aliases, 10GB storage, IMAP/POP3/SMTP & 100% open-source security. Trusted by 500K+ users. Setup in 2 minutes.

    2023 · forwardemail.net · 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 →