Life & fun · alternatives · 2026

Darwin Mail is an email client designed as a replacement for Google Inbox. Launched in 2019, it offers an alternative approach to email management for users seeking a different interface or functionality from Google's… Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. I Built Darwin Mail as a Google Inbox Replacement launched in 2019; newer entries below may have overtaken it.

1. 1IM
   I miss Google Inbox and built a replacement▲40

   2019 · darwinmail.app · its alternatives →

2. 2
   Darwin Mail▲259

   Enhance Gmail to get your Google Inbox features back.

   2019 · darwinmail.app · its alternatives →

3. 3
   Inbox by Google▲1,147

   Next generation inbox

   2014 · google.com · its alternatives →

4. 4
   New Gmail▲935

   The new version of Gmail web

   2018 · blog.google · its alternatives →

5. 5
   Inboxer▲212

   A clean, open-source desktop client for Google Inbox 💌

   2018 · denysdovhan.com · its alternatives →

6. 6
   Shortwave▲299

   Email smarter & faster with a reinvented Gmail experience

   2022 · shortwave.com · its alternatives →

7. 7
   HTML Email▲783

   Responsive HTML email templates for startups & developers

   2016 · htmlemail.io · its alternatives →

8. 8
   Boxy▲572

   Inbox by Gmail, finally on your Mac

   2015 · boxyapp.co · its alternatives →

9. 9
   Google Postmaster▲252

   High volume email tools from Google

   2015 · gmail.com · its alternatives →

10. 10
    InboxSDK▲508

    First usable API to write Gmail Apps for 1B active users

    2015 · inboxsdk.com · its alternatives →

11. 11IM
    I'm working on an open-source Gmail replacement▲387

    2013 · khamidou.github.io · its alternatives →

12. 12SM
    Super Mail Forward, an HTML email that evolves as you forward it▲454

    2016 · medium.com · its alternatives →

13. 13
    GMass▲580

    Send email marketing campaigns INSIDE Gmail.

    2017 · gmass.co · its alternatives →

14. 14
    Templates for Gmail▲495

    Create & customize Gmail templates that live in your inbox 💌

    2017 · templatesforgmail.com · its alternatives →

15. 15
    Startup Emails▲434

    Responsive HTML email templates for startups

    2017 · htmlemailtemplates.net · its alternatives →

16. 16
    Boxy 2▲296

    The best Mac client for Inbox by Gmail

    2017 · boxyapp.co · its alternatives →

17. 17
    Gmail 5.0▲578

    A facelift for Gmail on iOS

    2016 · apps.apple.com · its alternatives →

18. 18
    Mimestream, a native macOS email client for Gmail▲403

    A native macOS email client for Gmail

    2020 · mimestream.com · its alternatives →

19. 19
    Superinbox▲531

    Email vibing in your Gmail / Outlook

    Oct 2025 · superinbox.com · its alternatives →

20. 20
    Inbox Zero Tabs▲398

    Split inbox tabs for Gmail. 100% private. 100% free

    2025 · chromewebstore.google.com · its alternatives →

21. 21IB
    I built custom bundles into DarwinMail to replace Google Inbox▲5

    2019 · darwinmail.app · its alternatives →

22. 22
    Signal – Edit emails in your Gmail inbox▲151

    2013 · trysignal.com · its alternatives →

23. 23
    Mailmeteor 2.0▲290

    Send auto follow-up emails with Gmail

    2022 · mailmeteor.com · its alternatives →

24. 24
    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 →

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 →