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.

1. 1
   Helo▲103

   An independent email API from former Postmark folks

   22d ago · helohq.com · its alternatives →

2. 2
   MailMentor▲162

   A data driven approach to writing better email

   2015 · mailmentor.io · its alternatives →

3. 3AP
   API powered by machine learning to detect disposable emails▲5

   2020 · categorize.email · its alternatives →

4. 4PO
   ParseMail.org – A tool for email admins▲8

   2015 · parsemail.org · its alternatives →

5. 5AA
   An automatic email endpoint for any domain▲7

   2014 · questo.email · its alternatives →

6. 6
   Xem▲69

   Open-source email marketing with managed SMTP

   Sep 2026 · xem.email · its alternatives →

7. 7G
   GotEmail▲63

   A fast, native Mac mail app for all your inboxes

   3d ago · gotemail.com · its alternatives →

8. 8
   MailPile▲75

   A fast, responsive open source email client

   2014 · mailpile.is · its alternatives →

9. 9FM
   Flute – my attempt at a better email API▲40

   2018 · flutemail.com · its alternatives →

10. 10
    Monitor and Implement DMARC▲86

    A free tool to increase your email's deliverability

    2015 · dmarc.postmarkapp.com · its alternatives →

11. 11
    Spam-Detecting AI by OpenAI▲73

    Spam detection in the physical world

    2017 · its alternatives →

12. 12
    Plino▲68

    An Intelligent spam filtering system

    2016 · plino.herokuapp.com · its alternatives →

13. 13
    Pingly▲86

    A new messaging platform working to evolve email

    2014 · its alternatives →

14. 14
    Just Mail▲64

    Secured email platform based on distributed storage network

    2014 · its alternatives →

15. 15
    Umbra Mail▲76

    A calmer Gmail where emails look like chat threads

    4d ago · umbra.masn.studio · its alternatives →

16. 16HH
    Helping Humans Detect Bad URLs and Avoid Email Attacks▲6

    2020 · emailade.com · its alternatives →

17. 17OS
    Open-source collection of email tips and workflows▲7

    2020 · inboxze.ro · its alternatives →

18. 18
    Fight email spoofing. A free tool to monitor and implement DMARC▲8

    A free tool to monitor and implement DMARC

    2014 · dmarc.postmarkapp.com · its alternatives →

19. 19
    FutureMail▲52

    Email on your domain, built for people and their AI agents

    14d ago · futuremail.dev · its alternatives →

20. 20
    Categorize Email▲3

    Detect disposable email domains with machine learning

    2020 · its alternatives →

21. 21EE
    Email Extractor for Newsletter Marketing – Google Inbox▲8

    2018 · emailextractor.online · its alternatives →

22. 22
    Detecting disposable email addresses▲4

    A powerful SDK for detecting disposable email addresses

    2025 · github.com · its alternatives →

23. 23
    EmailAnalysts▲3

    Email Segmentation as a service

    2015 · its alternatives →

24. 24PA
    Paceable - An easy way to manage Group Emails▲6

    2013 · slideshare.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 →