Growth · alternatives · 2026

24 alternatives to Stampery

Certify your emails using the blockchain

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Stampery launched in 2015; newer entries below may have overtaken it.

1. 1
   Stampd▲68

   A document blockchain stamping service

   2015 · stampd.io · its alternatives →

2. 2
   Stampery for Gmail▲22

   Gmail + Blockchain = 1-Click Agreements & Certified Tracking

   2016 · chromewebstore.google.com · its alternatives →

3. 3
   Stampery for iOS▲104

   Certify voice notes, photos or files using the Blockchain

   2015 · apps.apple.com · its alternatives →

4. 4
   Stamp Ready▲171

   Create & send email campaigns simplified

   2014 · stampready.net · its alternatives →

5. 5
   Stamplia▲80

   Email templates marketplace

   2014 · unstoppable.ai · its alternatives →

6. 6
   Crypto All-Stars Trading Cards▲125

   Trading cards on the blockchain.

   2018 · its alternatives →

7. 7
   Mailcloud▲110

   A New Way to Email

   2014 · mailcloudapp.com · its alternatives →

8. 8
   MailClark▲198

   The Slack bot for external communications

   2016 · its alternatives →

9. 9
   BlockSign▲79

   Sign Your Docs Digitally Using Bitcoin

   2014 · blocksignit.com · its alternatives →

10. 10
    Stampery▲11

    Send notaries on vacation using the blockchain

    2015 · stampery.com · its alternatives →

11. 11
    Mandrill▲45

    Transactional email from MailChimp

    2014 · mailchimp.com · its alternatives →

12. 12
    Criptext▲83

    Encrypt, track, and recall your emails

    2015 · its alternatives →

13. 13
    MailChimp UX Newsletter▲180

    Tales of researching, designing, and building from Mailchimp

    2014 · its alternatives →

14. 14
    Postable▲84

    The easy, new way to write and mail cards

    2014 · postable.com · its alternatives →

15. 15
    Bitproof▲113

    True certification in the bitcoin blockchain

    2015 · its alternatives →

16. 16
    Ethermail▲102

    Reimagining email for web3

    2022 · ethermail.io · its alternatives →

17. 17
    Mailchimp Automation▲162

    Marketing automation for everyone.

    2014 · mailchimp.com · its alternatives →

18. 18
    Dmail▲87

    A privacy focused email provider using Blockchain technology

    2019 · dmail.online · its alternatives →

19. 19
    MailDeck▲62

    Control Your Email. Reclaim Your Life.

    2014 · maildeckapp.com · its alternatives →

20. 20
    Bitbounce-Credo▲88

    A cryptocurrency spam solution

    2017 · its alternatives →

21. 21
    Chain Wallet▲62

    Send bitcoin with your fingerprint

    2014 · its alternatives →

22. 22
    Turing Email▲112

    Making checking your inbox as fun as using Slack

    2015 · goo.gl · its alternatives →

23. 23
    Just Mail▲64

    Secured email platform based on distributed storage network

    2014 · its alternatives →

24. 24
    bit.ink▲75

    The Hacker News of Cryptocurrency

    2014 · bit.ink · 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 →