Life & fun · alternatives · 2026

24 alternatives to Blockchain + Gmail = 1-Click Agreements and Certified Tracking

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Blockchain + Gmail = 1-Click Agreements and Certified Tracking launched in 2016; newer entries below may have overtaken it.

1. 1
   Stampery for Gmail▲22

   Gmail + Blockchain = 1-Click Agreements & Certified Tracking

   2016 · chromewebstore.google.com · its alternatives →

2. 2
   BigchainDB▲105

   The scalable blockchain database.

   2016 · bigchaindb.com · its alternatives →

3. 3
   The Business Blockchain▲91

   Promise, Practice, and Application of the Next Internet Tech

   2016 · amazon.com · its alternatives →

4. 4
   Stampery▲118

   Certify your emails using the blockchain

   2015 · stampery.com · its alternatives →

5. 5
   Ventured - Behind the Blockchain▲63

   Decentralized identify to level the financial playing field

   2015 · soundcloud.com · its alternatives →

6. 6TB
   The Blockchain Balance Sheet▲7

   2017 · blog.traity.com · its alternatives →

7. 7
   Onarbor▲72

   fully-blockchained university

   2014 · its alternatives →

8. 8
   Chain Wallet▲62

   Send bitcoin with your fingerprint

   2014 · its alternatives →

9. 9SA
   Snipbin – A Text Bin on the Ethereum Blockchain▲6

   2017 · producthunt.com · its alternatives →

10. 10BC
    Blockchain calm: A blockchain playground▲6

    2018 · lorenzoongithub.github.io · its alternatives →

11. 11EB
    Ethereum Blockchain Based URL Shortener▲6

    2018 · 0x.now.sh · its alternatives →

12. 12
    Braid, project and dialogue management built into Gmail▲7

    2016 · chrome.google.com · its alternatives →

13. 13AB
    Aysha – Blockchain and cryptocurrencies made simple▲8

    2018 · aysha.io · its alternatives →

14. 14II
    I introduced link sharing to Gmail▲8

    2022 · mailie.app · its alternatives →

15. 15SS
    Secret Santa on the Blockchain▲6

    2020 · secret-santa.cloud · its alternatives →

16. 16MB
    Mesmerising – blockchain visualisation▲9

    2017 · dailyblockchain.github.io · its alternatives →

17. 17
    Geens▲8

    Privacy Focused Blockchain Timestamping Office

    2017 · geens.com · its alternatives →

18. 18
    Smart Contracts: The Blockchain Technology That Will Replace Lawyers▲10

    A Beginner’s Guide to Smart Contracts

    2016 · its alternatives →

19. 19TF
    The first incremental game on the blockchain▲7

    2017 · blinc.click · its alternatives →

20. 20
    Oxio▲7

    Blockchain-based Mobile Connectivity Exchange

    2018 · oxio.com · its alternatives →

21. 21AD
    A dead simple introduction to the blockchain (with ~90 line JavaScript demo)▲6

    2017 · sgoedecke.github.io · its alternatives →

22. 22AS
    Automatically synchronized Gmail inboxes for support and sales teams▲5

    2019 · supportall.cc · its alternatives →

23. 23
    Trustful▲8

    Secure e-voting service, with blockchain security.

    2016 · its alternatives →

24. 24SA
    Solana – A permissionless clock for blockchain▲6

    2018 · 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 →