Dev tools · alternatives · 2026

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Linbox – a free, open-source Google Inbox alternative launched in 2019; newer entries below may have overtaken it.

1. 1G
   GotEmail▲63

   A fast, native Mac mail app for all your inboxes

   1d ago · gotemail.com · its alternatives →

2. 2
   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 →

3. 3EE
   Email Extractor for Newsletter Marketing – Google Inbox▲8

   2018 · emailextractor.online · its alternatives →

4. 4
   Helo▲103

   An independent email API from former Postmark folks

   21d ago · helohq.com · its alternatives →

5. 5
   Sitedrop▲83

   A visual way to collaborate using Dropbox

   2014 · its alternatives →

6. 6
   The New Minbox▲103

   Organize and collaborate across clouds

   2015 · its alternatives →

7. 7
   QuiteInbox▲121

   Take back control of your inbox

   Nov 2025 · quiteinbox.xyz · its alternatives →

8. 8
   Xem▲69

   Open-source email marketing with managed SMTP

   29d ago · xem.email · its alternatives →

9. 9
   QuickDrop▲69

   Dropbox management in Chrome

   2014 · its alternatives →

10. 10
    Holoholo▲71

    A Gmail plugin that ensures inbox zero

    2016 · holoholo.xyz · its alternatives →

11. 11FD
    Folderus Demo - Dropbox, Google Docs and local folder collaboration▲9

    2011 · folderus.com · its alternatives →

12. 12
    Sugarbox▲64

    Button for Real-Time Website Collaboration

    2013 · its alternatives →

13. 13
    Insync▲78

    A Google Drive client offering nested selective sync

    2014 · insynchq.com · its alternatives →

14. 14
    Umbra Mail▲76

    A calmer Gmail where emails look like chat threads

    3d ago · umbra.masn.studio · its alternatives →

15. 15FM
    Flute – my attempt at a better email API▲40

    2018 · flutemail.com · its alternatives →

16. 16IE
    Inbox evolved: reach new levels of productivity▲8

    2019 · producthunt.com · its alternatives →

17. 17
    Coldcrate, large short-term burst storage using the Dropbox API▲9

    2012 · github.com · its alternatives →

18. 18OS
    Open-source collection of email tips and workflows▲7

    2020 · inboxze.ro · its alternatives →

19. 19PI
    Pancake.io, simple CMS in your Dropbox▲8

    2011 · pancake.io · its alternatives →

20. 20
    Inbox by Google▲3

    …

    2014 · blog.google · its alternatives →

21. 21
    Sonar▲14

    A linting tool for the web

    2017 · its alternatives →

22. 22IB
    I built custom bundles into DarwinMail to replace Google Inbox▲5

    2019 · darwinmail.app · its alternatives →

23. 23
    Alienbox▲2

    An open source reddit inbox checker

    2016 · a9.io · its alternatives →

24. 24
    Boxy▲9

    Google Inbox for Mac

    2015 · boxyapp.co · 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 →